diff --git a/module3/exo3/Tableau_Donnes_Fumeur.csv b/module3/exo3/Tableau_Donnes_Fumeur.csv
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/module3/exo3/donnees-Simpson.csv b/module3/exo3/donnees-Simpson.csv
new file mode 100644
index 0000000000000000000000000000000000000000..6c47065bc7aa53c0c92eef463cf16384eb028aaa
--- /dev/null
+++ b/module3/exo3/donnees-Simpson.csv
@@ -0,0 +1,1315 @@
+"Smoker","Status","Age"
+"Yes","Alive",21
+"Yes","Alive",19.3
+"No","Dead",57.5
+"No","Alive",47.1
+"Yes","Alive",81.4
+"No","Alive",36.8
+"No","Alive",23.8
+"Yes","Dead",57.5
+"Yes","Alive",24.8
+"Yes","Alive",49.5
+"Yes","Alive",30
+"No","Dead",66
+"Yes","Alive",49.2
+"No","Alive",58.4
+"No","Dead",60.6
+"No","Alive",25.1
+"No","Alive",43.5
+"No","Alive",27.1
+"No","Alive",58.3
+"Yes","Alive",65.7
+"No","Dead",73.2
+"Yes","Alive",38.3
+"No","Alive",33.4
+"Yes","Dead",62.3
+"No","Alive",18
+"No","Alive",56.2
+"Yes","Alive",59.2
+"No","Alive",25.8
+"No","Dead",36.9
+"No","Alive",20.2
+"Yes","Alive",34.6
+"Yes","Alive",51.9
+"Yes","Alive",49.9
+"No","Alive",19.4
+"No","Alive",56.9
+"Yes","Alive",46.7
+"Yes","Alive",44.4
+"Yes","Alive",29.5
+"Yes","Dead",33
+"Yes","Alive",35.6
+"Yes","Alive",39.1
+"No","Dead",69.7
+"Yes","Alive",35.7
+"No","Dead",75.8
+"No","Alive",25.3
+"No","Dead",83
+"Yes","Dead",44.3
+"No","Alive",18.5
+"Yes","Alive",37.5
+"Yes","Alive",22.1
+"No","Alive",82.8
+"No","Alive",45
+"No","Dead",73.3
+"Yes","Alive",39
+"No","Alive",28.4
+"No","Dead",73.7
+"Yes","Alive",40.1
+"No","Alive",51.2
+"No","Alive",22.9
+"No","Alive",41.9
+"Yes","Alive",58.1
+"Yes","Alive",37.3
+"No","Alive",41.7
+"Yes","Dead",36.3
+"Yes","Dead",80.7
+"Yes","Alive",33
+"Yes","Alive",38.6
+"Yes","Alive",27.9
+"No","Alive",47.6
+"No","Dead",77.6
+"No","Dead",58.1
+"Yes","Alive",26.2
+"No","Alive",45.4
+"No","Alive",62.4
+"No","Alive",62.5
+"No","Alive",39.5
+"No","Alive",27.6
+"Yes","Alive",31.4
+"No","Dead",85
+"No","Alive",18.9
+"No","Alive",35.3
+"Yes","Alive",25.4
+"No","Dead",72.8
+"Yes","Alive",58.3
+"No","Alive",27.3
+"No","Dead",55.9
+"No","Alive",32.8
+"Yes","Dead",53.6
+"No","Alive",55.9
+"Yes","Alive",48
+"Yes","Alive",56.1
+"No","Alive",18.3
+"Yes","Alive",20.2
+"No","Alive",62.8
+"Yes","Alive",18.6
+"No","Alive",46.3
+"No","Alive",36
+"Yes","Dead",55.5
+"Yes","Alive",18.6
+"No","Dead",65.7
+"No","Dead",76.5
+"Yes","Dead",61
+"No","Alive",26.8
+"Yes","Alive",47.6
+"No","Dead",70.5
+"No","Dead",81.8
+"Yes","Alive",32.5
+"No","Alive",23
+"No","Alive",83.7
+"Yes","Dead",62.8
+"Yes","Alive",45.9
+"No","Alive",59.9
+"Yes","Dead",66.5
+"No","Alive",47.5
+"No","Dead",89.3
+"No","Alive",57.2
+"Yes","Alive",21.3
+"Yes","Alive",34
+"No","Alive",59.5
+"Yes","Alive",50.1
+"No","Alive",56.1
+"Yes","Alive",30.6
+"Yes","Dead",63.8
+"Yes","Alive",27.4
+"Yes","Alive",32.5
+"No","Alive",22.5
+"Yes","Alive",24.2
+"No","Alive",56.8
+"Yes","Alive",28.9
+"Yes","Dead",87.8
+"Yes","Alive",19.4
+"No","Dead",88.4
+"Yes","Dead",35.7
+"No","Alive",33.7
+"No","Dead",62.3
+"Yes","Alive",63.6
+"Yes","Dead",71.7
+"No","Alive",48.5
+"No","Alive",82
+"Yes","Dead",40.8
+"Yes","Alive",31.3
+"No","Alive",25.1
+"No","Alive",24.4
+"No","Alive",32.2
+"No","Alive",53.1
+"No","Alive",47.5
+"No","Dead",26.3
+"No","Dead",66
+"Yes","Alive",41
+"No","Dead",58.3
+"No","Dead",86.8
+"Yes","Alive",49.7
+"No","Alive",21
+"No","Dead",75.8
+"No","Alive",50.5
+"No","Dead",63.5
+"Yes","Alive",33.1
+"No","Alive",30.7
+"Yes","Dead",59.4
+"No","Alive",67.2
+"Yes","Alive",20.7
+"No","Alive",41.6
+"No","Alive",37.7
+"No","Dead",89.7
+"No","Alive",45.2
+"Yes","Dead",59.9
+"No","Alive",55.4
+"Yes","Alive",44.8
+"No","Alive",18.3
+"No","Dead",76.7
+"Yes","Dead",62.3
+"Yes","Dead",48.4
+"No","Alive",82.7
+"No","Alive",27
+"No","Alive",30.9
+"No","Dead",82.9
+"No","Alive",40.5
+"Yes","Alive",56.8
+"No","Alive",26.5
+"Yes","Alive",41.9
+"Yes","Alive",29.9
+"No","Dead",75
+"No","Dead",66.3
+"No","Dead",87
+"No","Dead",79.5
+"Yes","Alive",51.7
+"No","Alive",30
+"No","Alive",78.2
+"No","Alive",80
+"Yes","Alive",62.9
+"Yes","Dead",78.3
+"Yes","Alive",49.8
+"Yes","Alive",36.5
+"No","Dead",60.1
+"Yes","Alive",62
+"No","Alive",19
+"No","Dead",87.6
+"No","Alive",24.3
+"No","Alive",22.2
+"Yes","Dead",68.4
+"No","Alive",32.5
+"Yes","Dead",89.2
+"Yes","Alive",44.5
+"Yes","Alive",43.3
+"Yes","Dead",57.4
+"Yes","Alive",45.6
+"Yes","Alive",18.1
+"Yes","Dead",63.4
+"No","Alive",67
+"Yes","Alive",55.6
+"Yes","Alive",51.9
+"No","Alive",23.3
+"Yes","Dead",57.6
+"No","Alive",38.4
+"No","Dead",35.2
+"Yes","Alive",26.2
+"No","Alive",60.3
+"Yes","Alive",48.7
+"Yes","Alive",23.7
+"Yes","Alive",46.9
+"Yes","Alive",18
+"No","Dead",65.8
+"Yes","Alive",33
+"Yes","Dead",83.1
+"No","Dead",58.4
+"Yes","Alive",23.2
+"No","Alive",66.7
+"No","Alive",58.8
+"Yes","Alive",56.7
+"Yes","Alive",21.5
+"No","Dead",78.3
+"No","Alive",51.5
+"Yes","Alive",63.5
+"Yes","Alive",57.8
+"Yes","Alive",59.5
+"Yes","Dead",47.8
+"Yes","Alive",53.9
+"Yes","Alive",45.5
+"Yes","Alive",24.2
+"No","Alive",63.9
+"Yes","Alive",37.5
+"No","Alive",20.6
+"No","Alive",22.9
+"No","Alive",46.1
+"No","Alive",49.6
+"No","Alive",31.4
+"No","Alive",25.9
+"Yes","Alive",46.8
+"Yes","Dead",81
+"No","Dead",84.3
+"No","Alive",30.8
+"Yes","Alive",52.4
+"No","Alive",20.1
+"Yes","Dead",58.9
+"Yes","Alive",72.1
+"No","Alive",19.6
+"No","Alive",52.6
+"Yes","Alive",35
+"Yes","Dead",35.4
+"No","Dead",55.1
+"Yes","Alive",23.7
+"No","Alive",49.1
+"Yes","Alive",39.7
+"Yes","Alive",33.7
+"No","Dead",66.4
+"No","Alive",24.2
+"No","Dead",67.2
+"No","Alive",19.4
+"No","Alive",52.4
+"No","Dead",58.6
+"Yes","Alive",36.2
+"Yes","Alive",38.8
+"Yes","Alive",47.9
+"No","Alive",36.5
+"Yes","Alive",24.3
+"No","Alive",38.8
+"No","Alive",38.4
+"No","Alive",55.3
+"No","Dead",87.7
+"Yes","Dead",56.7
+"No","Alive",74.1
+"Yes","Alive",62.3
+"No","Alive",18.5
+"Yes","Dead",59.3
+"No","Alive",39.8
+"Yes","Dead",55
+"No","Alive",42.8
+"No","Alive",34.2
+"Yes","Alive",33.7
+"No","Alive",30.6
+"No","Dead",81.7
+"Yes","Alive",62
+"No","Alive",61.3
+"Yes","Alive",58.5
+"No","Alive",41.6
+"Yes","Alive",60.6
+"No","Alive",52.9
+"Yes","Alive",34
+"No","Dead",52.4
+"No","Alive",38.5
+"No","Alive",23.7
+"Yes","Alive",38.7
+"No","Alive",49.3
+"No","Alive",59.5
+"Yes","Alive",26.2
+"Yes","Dead",65.8
+"Yes","Alive",44.3
+"No","Alive",31.9
+"No","Dead",47.9
+"Yes","Alive",57.7
+"Yes","Dead",36.5
+"Yes","Alive",36.3
+"No","Dead",56.1
+"No","Alive",21.1
+"Yes","Alive",22.7
+"No","Alive",19.7
+"Yes","Dead",60.1
+"Yes","Dead",77.6
+"No","Dead",67.6
+"No","Alive",49.3
+"Yes","Alive",37
+"No","Dead",79.9
+"No","Dead",56.3
+"Yes","Alive",20.2
+"No","Alive",31.1
+"Yes","Alive",40.9
+"Yes","Dead",35.2
+"No","Alive",24.5
+"Yes","Alive",35
+"Yes","Alive",36.3
+"Yes","Dead",34.3
+"Yes","Alive",20.5
+"Yes","Alive",29
+"Yes","Dead",74.1
+"Yes","Alive",43.6
+"Yes","Alive",33
+"Yes","Dead",42.3
+"No","Dead",63.2
+"No","Alive",53.2
+"Yes","Alive",53.7
+"No","Alive",62.7
+"Yes","Alive",39
+"Yes","Alive",39.3
+"No","Dead",47
+"No","Alive",35.8
+"No","Alive",49.4
+"No","Alive",20.7
+"No","Dead",76.7
+"Yes","Alive",31.3
+"No","Alive",20.1
+"No","Alive",56.3
+"No","Alive",51.3
+"No","Dead",85.2
+"Yes","Alive",25.2
+"Yes","Alive",20.2
+"No","Alive",58.1
+"No","Alive",49.9
+"No","Dead",79.4
+"Yes","Alive",31.6
+"No","Alive",31.6
+"No","Alive",55.4
+"No","Alive",41.6
+"No","Dead",74.6
+"No","Dead",81.3
+"No","Dead",71.4
+"Yes","Alive",56.4
+"Yes","Alive",39.7
+"Yes","Alive",59.1
+"No","Alive",20.7
+"No","Alive",89.7
+"Yes","Alive",61.8
+"Yes","Alive",26.8
+"Yes","Dead",44.3
+"Yes","Alive",36.1
+"Yes","Alive",22.1
+"No","Alive",33.5
+"Yes","Alive",44.5
+"Yes","Alive",24.1
+"No","Dead",72.5
+"Yes","Dead",57.7
+"Yes","Alive",58.7
+"Yes","Alive",40.7
+"No","Dead",75.6
+"No","Dead",74.1
+"No","Alive",37
+"Yes","Alive",31.6
+"Yes","Alive",34.7
+"Yes","Dead",38.5
+"No","Alive",22
+"Yes","Alive",39.3
+"No","Dead",61.2
+"No","Alive",37.2
+"No","Alive",25.7
+"No","Dead",88.8
+"No","Dead",65.6
+"Yes","Dead",58
+"No","Alive",20.4
+"Yes","Alive",44.4
+"No","Alive",46.2
+"No","Alive",29.7
+"Yes","Alive",51.9
+"Yes","Dead",43.7
+"Yes","Dead",61.1
+"No","Dead",78
+"No","Alive",26.8
+"No","Alive",63
+"No","Dead",82.3
+"No","Alive",32.2
+"No","Dead",57.2
+"No","Alive",36.7
+"Yes","Dead",67.5
+"No","Alive",59.2
+"No","Dead",55.6
+"No","Dead",86.2
+"Yes","Dead",79.1
+"No","Dead",75.1
+"No","Alive",52
+"No","Alive",55.3
+"Yes","Alive",40.3
+"Yes","Dead",56.9
+"Yes","Alive",53.9
+"No","Alive",26.5
+"Yes","Alive",33
+"No","Alive",19.7
+"No","Alive",23.3
+"Yes","Dead",75.9
+"Yes","Dead",35.5
+"No","Alive",31.9
+"No","Alive",34.2
+"No","Dead",76.2
+"Yes","Alive",21.7
+"Yes","Alive",50.6
+"No","Alive",25.7
+"No","Alive",24.2
+"No","Alive",42.2
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+"Yes","Alive",49.5
+"Yes","Alive",61.6
+"No","Alive",23
+"No","Alive",24.3
+"No","Alive",23.6
+"No","Alive",57.1
+"Yes","Alive",32.5
+"No","Dead",83.1
+"Yes","Alive",21.8
+"Yes","Alive",43.2
+"Yes","Alive",26.6
+"Yes","Alive",45.7
+"Yes","Alive",18.1
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+"No","Alive",56.4
+"No","Alive",55.6
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+"No","Alive",31.9
+"No","Alive",19.8
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+"No","Alive",56
+"No","Alive",50.3
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+"No","Dead",70.7
+"No","Alive",38
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+"No","Alive",32.3
+"Yes","Alive",56.1
+"Yes","Alive",58
+"No","Dead",82.9
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+"No","Dead",63.2
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+"No","Dead",83.4
+"No","Dead",61.8
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+"No","Dead",41.9
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+"No","Dead",85.8
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+"No","Alive",52
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+"No","Alive",34.3
+"Yes","Alive",19.9
+"No","Alive",19.7
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+"No","Alive",53
+"Yes","Alive",20.7
+"Yes","Alive",59.4
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+"Yes","Alive",20.4
+"No","Dead",69
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+"No","Alive",42.2
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+"Yes","Alive",36.6
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+"No","Alive",47.8
+"No","Dead",73.3
+"No","Alive",49.6
+"No","Alive",44.8
+"Yes","Alive",38.6
+"No","Dead",79.9
+"Yes","Dead",84.4
+"No","Dead",39.1
+"Yes","Alive",47.4
+"No","Alive",57.8
+"No","Alive",41.5
+"No","Alive",20.3
+"Yes","Alive",38.1
+"Yes","Alive",44.6
+"Yes","Alive",39.3
+"Yes","Alive",18.1
+"No","Alive",51.5
+"No","Alive",23.1
+"No","Alive",22.7
+"Yes","Alive",36.8
+"No","Alive",57.4
+"Yes","Alive",57.1
+"No","Alive",19.2
+"No","Dead",84.8
+"No","Alive",26.9
+"No","Dead",88.4
+"No","Dead",77.4
+"No","Dead",41.3
+"No","Alive",53.4
+"Yes","Alive",58.9
+"Yes","Dead",38.8
+"No","Dead",82.2
+"No","Alive",46.9
+"Yes","Alive",24.6
+"Yes","Alive",30.4
+"No","Alive",42.4
+"No","Dead",64
+"No","Alive",33.3
+"Yes","Alive",60.2
+"Yes","Alive",25
+"Yes","Dead",37.1
+"Yes","Alive",47.7
+"No","Dead",66.5
+"Yes","Dead",43.3
+"No","Alive",19.1
+"No","Alive",52.4
+"No","Alive",33.9
+"No","Alive",40
+"No","Alive",29.9
+"Yes","Alive",58.4
+"Yes","Alive",48.7
+"Yes","Alive",52.3
+"No","Dead",59.9
+"No","Alive",63.5
+"Yes","Alive",48.3
+"Yes","Alive",51.1
+"Yes","Dead",34.5
+"Yes","Alive",37.5
+"Yes","Alive",73.8
+"Yes","Alive",24.6
+"No","Dead",65.3
+"No","Alive",34.2
+"No","Alive",71.8
+"No","Dead",47.5
+"No","Alive",31.3
+"Yes","Dead",28.3
+"Yes","Dead",61.9
+"Yes","Dead",74.8
+"Yes","Alive",51
+"Yes","Dead",42.5
+"Yes","Alive",38.1
+"No","Alive",47.4
+"No","Alive",32.1
+"No","Dead",86.2
+"Yes","Alive",55.7
+"Yes","Alive",43.6
+"Yes","Dead",58.2
+"No","Alive",25.1
+"No","Dead",75
+"No","Alive",23.2
+"No","Alive",20.6
+"No","Dead",66.4
+"Yes","Alive",44
+"Yes","Alive",19.4
+"Yes","Dead",61
+"Yes","Alive",29.5
+"No","Alive",22.5
+"No","Alive",60
+"Yes","Alive",84.7
+"No","Dead",85.1
+"Yes","Dead",82
+"Yes","Alive",33.4
+"No","Alive",21.3
+"No","Dead",65.2
+"Yes","Dead",83.6
+"Yes","Alive",52.4
+"Yes","Alive",38.9
+"No","Alive",32.9
+"Yes","Alive",53.6
+"No","Alive",35.7
+"Yes","Alive",19.8
+"No","Dead",65.7
+"No","Alive",40.6
+"Yes","Alive",25.7
+"Yes","Dead",44.3
+"No","Alive",68.4
+"No","Alive",33.7
+"No","Alive",26.5
+"Yes","Alive",43.6
+"Yes","Dead",32.6
+"No","Alive",21
+"No","Alive",25.2
+"No","Dead",81.4
+"No","Dead",50.2
+"No","Alive",85
+"No","Alive",45.9
+"Yes","Dead",56.5
+"No","Alive",33.4
+"Yes","Alive",61.1
+"No","Alive",35.1
+"No","Alive",22.7
+"Yes","Alive",40.4
+"No","Alive",48.6
+"No","Dead",82.9
+"No","Dead",78.1
+"No","Alive",36.9
+"Yes","Alive",61.8
+"Yes","Alive",29.5
+"No","Alive",38.9
+"No","Dead",71.3
+"No","Alive",36.5
+"No","Dead",81.8
+"No","Alive",21.7
+"Yes","Dead",78.3
+"Yes","Alive",30.5
+"No","Alive",61.5
+"Yes","Alive",33.1
+"No","Alive",32.2
+"No","Alive",48.5
+"No","Alive",20.3
+"No","Alive",62.6
+"No","Alive",28.5
+"Yes","Alive",52.4
+"Yes","Dead",55.7
+"No","Alive",53.8
+"No","Alive",20.7
+"Yes","Alive",33.4
+"No","Alive",43.8
+"Yes","Alive",53.1
+"Yes","Alive",51.5
+"No","Alive",31.8
+"No","Dead",73.2
+"Yes","Alive",41.1
+"No","Dead",82
+"Yes","Alive",27
+"Yes","Alive",44.3
+"Yes","Dead",42.9
+"Yes","Dead",56.1
+"No","Dead",60.2
+"Yes","Alive",55.8
+"Yes","Alive",29.1
+"No","Alive",49.4
+"Yes","Dead",44.9
+"No","Dead",80.9
+"No","Alive",25.8
+"No","Alive",31.5
+"No","Dead",82.6
+"No","Alive",27.3
+"No","Alive",18.8
+"No","Alive",33.2
+"No","Alive",29.7
+"Yes","Dead",52.6
+"No","Dead",81.1
+"Yes","Dead",88.6
+"No","Alive",35
+"No","Dead",75.2
+"Yes","Alive",37.3
+"Yes","Alive",52.1
+"No","Dead",84.7
+"No","Dead",85
+"No","Alive",27
+"No","Dead",85
+"No","Alive",20.2
+"No","Alive",46.3
+"Yes","Alive",60
+"No","Dead",63.5
+"Yes","Dead",84.3
+"No","Alive",66.4
+"Yes","Alive",30.2
+"Yes","Alive",23.1
+"No","Alive",61.5
+"No","Alive",40.7
+"Yes","Alive",27.1
+"Yes","Alive",36.7
+"No","Alive",58.2
+"Yes","Alive",29.7
+"No","Alive",48.9
+"No","Alive",52.9
+"No","Alive",41.7
+"No","Alive",23
+"No","Alive",18.3
+"No","Dead",89.9
+"No","Alive",60.6
+"No","Alive",30.1
+"Yes","Alive",41.9
+"Yes","Alive",47
+"No","Alive",23.8
+"Yes","Dead",31.3
+"Yes","Dead",63.3
+"No","Alive",52.4
+"No","Alive",65
+"No","Dead",74.8
+"No","Alive",32.9
+"Yes","Dead",49.6
+"No","Alive",59.9
+"No","Alive",30.8
+"No","Alive",30.1
+"No","Alive",52
+"Yes","Alive",57.2
+"No","Dead",89.5
+"Yes","Alive",32.5
+"No","Alive",19.1
+"Yes","Alive",44
+"Yes","Dead",39.2
+"No","Alive",22.9
+"Yes","Alive",18
+"No","Alive",20.1
+"Yes","Alive",28
+"No","Alive",53
+"Yes","Alive",46.7
+"No","Alive",44.6
+"No","Alive",18.7
+"No","Dead",71.1
+"Yes","Alive",42.3
+"No","Alive",64
+"Yes","Dead",71
+"Yes","Alive",26.6
+"Yes","Alive",50.8
+"No","Alive",25.5
+"Yes","Alive",24
+"No","Alive",48.1
+"Yes","Alive",50.6
+"Yes","Alive",21.5
+"No","Alive",61.2
+"No","Dead",75.9
+"No","Dead",88
+"No","Dead",66.8
+"No","Alive",50.8
+"No","Alive",34.9
+"No","Dead",83.8
+"No","Alive",25
+"Yes","Dead",41.7
+"No","Alive",42.3
+"No","Alive",62.4
+"Yes","Alive",38.1
+"Yes","Alive",23.3
+"Yes","Alive",25.6
+"No","Dead",51.1
+"Yes","Alive",21.2
+"No","Dead",56.9
+"No","Alive",35
+"Yes","Dead",45
+"Yes","Alive",25.2
+"Yes","Alive",43.7
+"No","Dead",86.7
+"No","Alive",20.2
+"No","Dead",71.6
+"No","Dead",78.3
+"No","Alive",23.1
+"No","Dead",84.8
+"Yes","Alive",58.1
+"Yes","Alive",53.9
+"No","Alive",53.3
+"No","Alive",30.9
+"Yes","Alive",60.6
+"Yes","Dead",85.2
+"No","Alive",57.5
+"No","Alive",46.5
+"No","Dead",73.8
+"No","Alive",62.6
+"No","Alive",43.5
+"No","Alive",52.5
+"Yes","Alive",34.1
+"No","Alive",38.7
+"No","Alive",22.6
+"No","Alive",20
+"No","Alive",59.9
+"No","Dead",83.3
+"Yes","Alive",52.2
+"No","Dead",76.2
+"Yes","Alive",28
+"Yes","Alive",56.6
+"No","Dead",67.8
+"No","Alive",21.2
+"No","Alive",27.9
+"Yes","Alive",29.8
+"Yes","Alive",28.1
+"Yes","Alive",53.2
+"No","Alive",23.2
+"No","Alive",39.5
+"Yes","Alive",31.4
+"Yes","Alive",30
+"Yes","Alive",37.8
+"Yes","Alive",46.9
+"Yes","Alive",43.8
+"Yes","Alive",63.1
+"No","Alive",21.4
+"No","Dead",62.5
+"No","Alive",45.5
+"Yes","Alive",27.9
+"Yes","Alive",29.5
+"Yes","Alive",61
+"Yes","Alive",27
+"Yes","Alive",61.5
+"Yes","Dead",56.2
+"Yes","Dead",87.9
+"Yes","Alive",28.3
+"No","Dead",75.1
+"No","Dead",87.9
+"Yes","Alive",31
+"Yes","Alive",55.3
+"No","Alive",40.8
+"Yes","Alive",46.2
+"No","Alive",52.3
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+"No","Dead",79
+"No","Dead",65.1
+"Yes","Alive",40.1
+"No","Alive",46
+"No","Alive",40.2
+"No","Dead",89.2
+"No","Alive",26
+"No","Alive",43.4
+"No","Alive",48.8
+"No","Alive",19.8
+"Yes","Alive",27.8
+"Yes","Alive",52.4
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+"No","Alive",26.7
+"No","Alive",36
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+"Yes","Alive",20.4
+"No","Dead",42.1
+"No","Alive",41.2
+"Yes","Alive",20.9
+"Yes","Alive",45.5
+"No","Alive",26.7
+"No","Alive",41.8
+"No","Alive",33.7
+"No","Alive",56.5
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+"No","Alive",63.8
+"No","Dead",71.3
+"No","Alive",57.7
+"No","Alive",63.2
+"No","Alive",46.6
+"Yes","Dead",82.4
+"Yes","Alive",38.3
+"Yes","Alive",32.7
+"No","Alive",39.7
+"Yes","Dead",60
+"No","Dead",71
+"No","Alive",20.5
+"No","Alive",44.4
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+"No","Alive",42.1
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+"No","Alive",22.3
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+"No","Dead",88.6
+"No","Alive",39.1
diff --git a/module3/exo3/exercice.ipynb b/module3/exo3/exercice.ipynb
index 0bbbe371b01e359e381e43239412d77bf53fb1fb..abb3a7c4699d6da403f8985b0af29af8e6a82243 100644
--- a/module3/exo3/exercice.ipynb
+++ b/module3/exo3/exercice.ipynb
@@ -1,5 +1,1492 @@
 {
- "cells": [],
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Analyse paradoxe de Simpson"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 14,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "%matplotlib inline\n",
+    "import matplotlib.pyplot as plt\n",
+    "import pandas as pd\n",
+    "import isoweek\n",
+    "import csv"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Importation données"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "data_url = \"https://gitlab.inria.fr/learninglab/mooc-rr/mooc-rr-ressources/-/raw/master/module3/Practical_session/Subject6_smoking.csv?inline=false\""
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Pour nous protéger contre une éventuelle disparition ou modification du serveur du Réseau Sentinelles, nous faisons une copie locale de ce jeux de données que nous préservons avec notre analyse. Nous téléchargeons les données seulement si la copie locale n'existe pas."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "data_file = \"donnees-Simpson.csv\"\n",
+    "\n",
+    "import os\n",
+    "import urllib.request\n",
+    "if not os.path.exists(data_file):\n",
+    "    urllib.request.urlretrieve(data_url, data_file)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>Smoker</th>\n",
+       "      <th>Status</th>\n",
+       "      <th>Age</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>21.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>19.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>57.5</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>47.1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>81.4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>5</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>36.8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>6</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>23.8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>7</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>57.5</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>8</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>24.8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>49.5</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>30.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>11</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>66.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>12</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>49.2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>13</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>58.4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>14</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>60.6</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>15</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>25.1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>16</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>43.5</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>17</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>27.1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>18</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>58.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>19</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>65.7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>20</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>73.2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>21</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>38.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>22</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>33.4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>23</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>62.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>24</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>18.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>25</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>56.2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>26</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>59.2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>27</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>25.8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>28</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>36.9</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>29</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>20.2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>...</th>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1284</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>36.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1285</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>48.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1286</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>63.1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1287</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>60.8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1288</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>39.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1289</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>36.7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1290</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>63.8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1291</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>71.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1292</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>57.7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1293</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>63.2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1294</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>46.6</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1295</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>82.4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1296</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>38.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1297</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>32.7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1298</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>39.7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1299</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>60.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1300</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>71.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1301</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>20.5</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1302</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>44.4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1303</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>31.2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1304</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>47.8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1305</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>60.9</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1306</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>61.4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1307</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>43.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1308</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>42.1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1309</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>35.9</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1310</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>22.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1311</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>62.1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1312</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>88.6</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1313</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>39.1</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "<p>1314 rows × 3 columns</p>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "     Smoker Status   Age\n",
+       "0       Yes  Alive  21.0\n",
+       "1       Yes  Alive  19.3\n",
+       "2        No   Dead  57.5\n",
+       "3        No  Alive  47.1\n",
+       "4       Yes  Alive  81.4\n",
+       "5        No  Alive  36.8\n",
+       "6        No  Alive  23.8\n",
+       "7       Yes   Dead  57.5\n",
+       "8       Yes  Alive  24.8\n",
+       "9       Yes  Alive  49.5\n",
+       "10      Yes  Alive  30.0\n",
+       "11       No   Dead  66.0\n",
+       "12      Yes  Alive  49.2\n",
+       "13       No  Alive  58.4\n",
+       "14       No   Dead  60.6\n",
+       "15       No  Alive  25.1\n",
+       "16       No  Alive  43.5\n",
+       "17       No  Alive  27.1\n",
+       "18       No  Alive  58.3\n",
+       "19      Yes  Alive  65.7\n",
+       "20       No   Dead  73.2\n",
+       "21      Yes  Alive  38.3\n",
+       "22       No  Alive  33.4\n",
+       "23      Yes   Dead  62.3\n",
+       "24       No  Alive  18.0\n",
+       "25       No  Alive  56.2\n",
+       "26      Yes  Alive  59.2\n",
+       "27       No  Alive  25.8\n",
+       "28       No   Dead  36.9\n",
+       "29       No  Alive  20.2\n",
+       "...     ...    ...   ...\n",
+       "1284    Yes   Dead  36.0\n",
+       "1285    Yes  Alive  48.3\n",
+       "1286     No  Alive  63.1\n",
+       "1287     No  Alive  60.8\n",
+       "1288    Yes   Dead  39.3\n",
+       "1289     No  Alive  36.7\n",
+       "1290     No  Alive  63.8\n",
+       "1291     No   Dead  71.3\n",
+       "1292     No  Alive  57.7\n",
+       "1293     No  Alive  63.2\n",
+       "1294     No  Alive  46.6\n",
+       "1295    Yes   Dead  82.4\n",
+       "1296    Yes  Alive  38.3\n",
+       "1297    Yes  Alive  32.7\n",
+       "1298     No  Alive  39.7\n",
+       "1299    Yes   Dead  60.0\n",
+       "1300     No   Dead  71.0\n",
+       "1301     No  Alive  20.5\n",
+       "1302     No  Alive  44.4\n",
+       "1303    Yes  Alive  31.2\n",
+       "1304    Yes  Alive  47.8\n",
+       "1305    Yes  Alive  60.9\n",
+       "1306     No   Dead  61.4\n",
+       "1307    Yes  Alive  43.0\n",
+       "1308     No  Alive  42.1\n",
+       "1309    Yes  Alive  35.9\n",
+       "1310     No  Alive  22.3\n",
+       "1311    Yes   Dead  62.1\n",
+       "1312     No   Dead  88.6\n",
+       "1313     No  Alive  39.1\n",
+       "\n",
+       "[1314 rows x 3 columns]"
+      ]
+     },
+     "execution_count": 4,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "raw_data = pd.read_csv(data_file)\n",
+    "raw_data"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "On cherche s'il y a des donnees vides, et on les supprime s'il y en a"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>Smoker</th>\n",
+       "      <th>Status</th>\n",
+       "      <th>Age</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>21.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>19.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>57.5</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>47.1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>81.4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>5</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>36.8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>6</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>23.8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>7</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>57.5</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>8</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>24.8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>49.5</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>30.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>11</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>66.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>12</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>49.2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>13</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>58.4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>14</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>60.6</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>15</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>25.1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>16</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>43.5</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>17</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>27.1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>18</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>58.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>19</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>65.7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>20</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>73.2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>21</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>38.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>22</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>33.4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>23</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>62.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>24</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>18.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>25</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>56.2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>26</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>59.2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>27</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>25.8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>28</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>36.9</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>29</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>20.2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>...</th>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1284</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>36.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1285</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>48.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1286</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>63.1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1287</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>60.8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1288</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>39.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1289</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>36.7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1290</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>63.8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1291</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>71.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1292</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>57.7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1293</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>63.2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1294</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>46.6</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1295</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>82.4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1296</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>38.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1297</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>32.7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1298</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>39.7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1299</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>60.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1300</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>71.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1301</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>20.5</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1302</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>44.4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1303</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>31.2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1304</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>47.8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1305</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>60.9</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1306</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>61.4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1307</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>43.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1308</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>42.1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1309</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>35.9</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1310</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>22.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1311</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>62.1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1312</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>88.6</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1313</th>\n",
+       "      <td>No</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>39.1</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "<p>1314 rows × 3 columns</p>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "     Smoker Status   Age\n",
+       "0       Yes  Alive  21.0\n",
+       "1       Yes  Alive  19.3\n",
+       "2        No   Dead  57.5\n",
+       "3        No  Alive  47.1\n",
+       "4       Yes  Alive  81.4\n",
+       "5        No  Alive  36.8\n",
+       "6        No  Alive  23.8\n",
+       "7       Yes   Dead  57.5\n",
+       "8       Yes  Alive  24.8\n",
+       "9       Yes  Alive  49.5\n",
+       "10      Yes  Alive  30.0\n",
+       "11       No   Dead  66.0\n",
+       "12      Yes  Alive  49.2\n",
+       "13       No  Alive  58.4\n",
+       "14       No   Dead  60.6\n",
+       "15       No  Alive  25.1\n",
+       "16       No  Alive  43.5\n",
+       "17       No  Alive  27.1\n",
+       "18       No  Alive  58.3\n",
+       "19      Yes  Alive  65.7\n",
+       "20       No   Dead  73.2\n",
+       "21      Yes  Alive  38.3\n",
+       "22       No  Alive  33.4\n",
+       "23      Yes   Dead  62.3\n",
+       "24       No  Alive  18.0\n",
+       "25       No  Alive  56.2\n",
+       "26      Yes  Alive  59.2\n",
+       "27       No  Alive  25.8\n",
+       "28       No   Dead  36.9\n",
+       "29       No  Alive  20.2\n",
+       "...     ...    ...   ...\n",
+       "1284    Yes   Dead  36.0\n",
+       "1285    Yes  Alive  48.3\n",
+       "1286     No  Alive  63.1\n",
+       "1287     No  Alive  60.8\n",
+       "1288    Yes   Dead  39.3\n",
+       "1289     No  Alive  36.7\n",
+       "1290     No  Alive  63.8\n",
+       "1291     No   Dead  71.3\n",
+       "1292     No  Alive  57.7\n",
+       "1293     No  Alive  63.2\n",
+       "1294     No  Alive  46.6\n",
+       "1295    Yes   Dead  82.4\n",
+       "1296    Yes  Alive  38.3\n",
+       "1297    Yes  Alive  32.7\n",
+       "1298     No  Alive  39.7\n",
+       "1299    Yes   Dead  60.0\n",
+       "1300     No   Dead  71.0\n",
+       "1301     No  Alive  20.5\n",
+       "1302     No  Alive  44.4\n",
+       "1303    Yes  Alive  31.2\n",
+       "1304    Yes  Alive  47.8\n",
+       "1305    Yes  Alive  60.9\n",
+       "1306     No   Dead  61.4\n",
+       "1307    Yes  Alive  43.0\n",
+       "1308     No  Alive  42.1\n",
+       "1309    Yes  Alive  35.9\n",
+       "1310     No  Alive  22.3\n",
+       "1311    Yes   Dead  62.1\n",
+       "1312     No   Dead  88.6\n",
+       "1313     No  Alive  39.1\n",
+       "\n",
+       "[1314 rows x 3 columns]"
+      ]
+     },
+     "execution_count": 5,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "raw_data[raw_data.isnull().any(axis=1)]\n",
+    "data = raw_data.dropna().copy()\n",
+    "data"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Premiere analyse"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Il n y a pas de ligne vide. On peut commencer l analyse en calculant le nombre de fumeurs vivants ou morts, ainsi que le nombre de non-fumeurs vivants ou morts."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "smoker_alive = 0\n",
+    "smoker_dead = 0\n",
+    "no_smoker_alive = 0\n",
+    "no_smoker_dead = 0\n",
+    "for it in range(len(data)):\n",
+    "    if(data[\"Smoker\"][it]==\"Yes\" and data[\"Status\"][it]==\"Alive\"):\n",
+    "        smoker_alive = smoker_alive + 1\n",
+    "    if(data[\"Smoker\"][it]==\"Yes\" and data[\"Status\"][it]==\"Dead\"):\n",
+    "        smoker_dead = smoker_dead + 1\n",
+    "    if(data[\"Smoker\"][it]==\"No\" and data[\"Status\"][it]==\"Alive\"):\n",
+    "        no_smoker_alive = no_smoker_alive + 1\n",
+    "    if(data[\"Smoker\"][it]==\"No\" and data[\"Status\"][it]==\"Dead\"):\n",
+    "        no_smoker_dead = no_smoker_dead + 1"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "On met en forme ces donnees dans un tableau"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 21,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>-</th>\n",
+       "      <th>Non Smoker</th>\n",
+       "      <th>Smoker</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>Alive</td>\n",
+       "      <td>502</td>\n",
+       "      <td>443</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>Dead</td>\n",
+       "      <td>230</td>\n",
+       "      <td>139</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "       -  Non Smoker  Smoker\n",
+       "0  Alive         502     443\n",
+       "1   Dead         230     139"
+      ]
+     },
+     "execution_count": 21,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "tableau = [ { \"-\":\"Alive\", \"Smoker\":smoker_alive, \"Non Smoker\":no_smoker_alive },\n",
+    "      { \"-\":\"Dead\", \"Smoker\":smoker_dead, \"Non Smoker\":no_smoker_dead },]\n",
+    "df = pd.DataFrame(tableau)\n",
+    "df"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Calcul du taux de mortalité des deux groupes (Fumeurs et Non Fumeurs) et on ajout à notre tableau"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>-</th>\n",
+       "      <th>Non Smoker</th>\n",
+       "      <th>Smoker</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>Alive</td>\n",
+       "      <td>502</td>\n",
+       "      <td>443</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>Dead</td>\n",
+       "      <td>230</td>\n",
+       "      <td>139</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>Mortality (%)</td>\n",
+       "      <td>31</td>\n",
+       "      <td>23</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "               -  Non Smoker  Smoker\n",
+       "0          Alive         502     443\n",
+       "1           Dead         230     139\n",
+       "2  Mortality (%)          31      23"
+      ]
+     },
+     "execution_count": 25,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "smoker_mortality_rate = int(100*smoker_dead/(smoker_alive+smoker_dead))\n",
+    "no_smoker_mortality_rate = int(100*no_smoker_dead/(no_smoker_alive+no_smoker_dead))\n",
+    "\n",
+    "tableau = [ { \"-\":\"Alive\", \"Smoker\":smoker_alive, \"Non Smoker\":no_smoker_alive },\n",
+    "      { \"-\":\"Dead\", \"Smoker\":smoker_dead, \"Non Smoker\":no_smoker_dead }, \n",
+    "           { \"-\":\"Mortality (%)\", \"Smoker\":smoker_mortality_rate, \"Non Smoker\":no_smoker_mortality_rate }]\n",
+    "df = pd.DataFrame(tableau)\n",
+    "df"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Ce resultat est surprenant, on voit que le taux de mortalité est plus élevé chez les personnes déclarées comme \"Non-Fumeurs\".\n",
+    "On s'attendrait à voir le résultat inverse."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Deuxieme analyse"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "On fait une seconde analyse, en séparant les données par classe d'age. 4 classes d'age sont ainsi définies : 18-34 ans, 35-54 ans, 55-64 ans, plus de 65 ans."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 26,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "smoker_alive_18_34 = 0\n",
+    "smoker_dead_18_34 = 0\n",
+    "no_smoker_alive_18_34 = 0\n",
+    "no_smoker_dead_18_34 = 0\n",
+    "\n",
+    "smoker_alive_35_54 = 0\n",
+    "smoker_dead_35_54 = 0\n",
+    "no_smoker_alive_35_54 = 0\n",
+    "no_smoker_dead_35_54 = 0\n",
+    "\n",
+    "smoker_alive_55_64 = 0\n",
+    "smoker_dead_55_64 = 0\n",
+    "no_smoker_alive_55_64 = 0\n",
+    "no_smoker_dead_55_64 = 0\n",
+    "\n",
+    "smoker_alive_65 = 0\n",
+    "smoker_dead_65 = 0\n",
+    "no_smoker_alive_65 = 0\n",
+    "no_smoker_dead_65 = 0\n",
+    "\n",
+    "for it in range(len(data)):\n",
+    "    if(data[\"Age\"][it]<=34):\n",
+    "        if(data[\"Smoker\"][it]==\"Yes\" and data[\"Status\"][it]==\"Alive\"):\n",
+    "            smoker_alive_18_34 = smoker_alive_18_34 + 1\n",
+    "        if(data[\"Smoker\"][it]==\"Yes\" and data[\"Status\"][it]==\"Dead\"):\n",
+    "            smoker_dead_18_34 = smoker_dead_18_34 + 1\n",
+    "        if(data[\"Smoker\"][it]==\"No\" and data[\"Status\"][it]==\"Alive\"):\n",
+    "            no_smoker_alive_18_34 = no_smoker_alive_18_34 + 1\n",
+    "        if(data[\"Smoker\"][it]==\"No\" and data[\"Status\"][it]==\"Dead\"):\n",
+    "            no_smoker_dead_18_34 = no_smoker_dead_18_34 + 1\n",
+    "    \n",
+    "    if(data[\"Age\"][it]>34 and data[\"Age\"][it]<=54):\n",
+    "        if(data[\"Smoker\"][it]==\"Yes\" and data[\"Status\"][it]==\"Alive\"):\n",
+    "            smoker_alive_35_54 = smoker_alive_35_54 + 1\n",
+    "        if(data[\"Smoker\"][it]==\"Yes\" and data[\"Status\"][it]==\"Dead\"):\n",
+    "            smoker_dead_35_54 = smoker_dead_35_54 + 1\n",
+    "        if(data[\"Smoker\"][it]==\"No\" and data[\"Status\"][it]==\"Alive\"):\n",
+    "            no_smoker_alive_35_54 = no_smoker_alive_35_54 + 1\n",
+    "        if(data[\"Smoker\"][it]==\"No\" and data[\"Status\"][it]==\"Dead\"):\n",
+    "            no_smoker_dead_35_54 = no_smoker_dead_35_54 + 1\n",
+    "    \n",
+    "    if(data[\"Age\"][it]>54 and data[\"Age\"][it]<=64):\n",
+    "        if(data[\"Smoker\"][it]==\"Yes\" and data[\"Status\"][it]==\"Alive\"):\n",
+    "            smoker_alive_55_64 = smoker_alive_55_64 + 1\n",
+    "        if(data[\"Smoker\"][it]==\"Yes\" and data[\"Status\"][it]==\"Dead\"):\n",
+    "            smoker_dead_55_64 = smoker_dead_55_64 + 1\n",
+    "        if(data[\"Smoker\"][it]==\"No\" and data[\"Status\"][it]==\"Alive\"):\n",
+    "            no_smoker_alive_55_64 = no_smoker_alive_55_64 + 1\n",
+    "        if(data[\"Smoker\"][it]==\"No\" and data[\"Status\"][it]==\"Dead\"):\n",
+    "            no_smoker_dead_55_64 = no_smoker_dead_55_64 + 1\n",
+    "    \n",
+    "    if(data[\"Age\"][it]>64):\n",
+    "        if(data[\"Smoker\"][it]==\"Yes\" and data[\"Status\"][it]==\"Alive\"):\n",
+    "            smoker_alive_65 = smoker_alive_65 + 1\n",
+    "        if(data[\"Smoker\"][it]==\"Yes\" and data[\"Status\"][it]==\"Dead\"):\n",
+    "            smoker_dead_65 = smoker_dead_65 + 1\n",
+    "        if(data[\"Smoker\"][it]==\"No\" and data[\"Status\"][it]==\"Alive\"):\n",
+    "            no_smoker_alive_65 = no_smoker_alive_65 + 1\n",
+    "        if(data[\"Smoker\"][it]==\"No\" and data[\"Status\"][it]==\"Dead\"):\n",
+    "            no_smoker_dead_65 = no_smoker_dead_65 + 1\n",
+    "\n",
+    "smoker_18_34_mortality_rate = int(100*smoker_dead_18_34/(smoker_alive_18_34+smoker_dead_18_34))\n",
+    "no_smoker_18_34_mortality_rate = int(100*no_smoker_dead_18_34/(no_smoker_alive_18_34+no_smoker_dead_18_34))\n",
+    "\n",
+    "smoker_35_54_mortality_rate = int(100*smoker_dead_35_54/(smoker_alive_35_54+smoker_dead_35_54))\n",
+    "no_smoker_35_54_mortality_rate = int(100*no_smoker_dead_35_54/(no_smoker_alive_35_54+no_smoker_dead_35_54))\n",
+    "\n",
+    "smoker_55_64_mortality_rate = int(100*smoker_dead_55_64/(smoker_alive_55_64+smoker_dead_55_64))\n",
+    "no_smoker_55_64_mortality_rate = int(100*no_smoker_dead_55_64/(no_smoker_alive_55_64+no_smoker_dead_55_64))\n",
+    "\n",
+    "smoker_65_mortality_rate = int(100*smoker_dead_65/(smoker_alive_65+smoker_dead_65))\n",
+    "no_smoker_65_mortality_rate = int(100*no_smoker_dead_65/(no_smoker_alive_65+no_smoker_dead_65))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "On peut maintenant mettre ces donnees dans un tableau pour les visualiser"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 27,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>-</th>\n",
+       "      <th>Non Smoker</th>\n",
+       "      <th>Smoker</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>Alive (18-34)</td>\n",
+       "      <td>213</td>\n",
+       "      <td>176</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>Dead (18-34)</td>\n",
+       "      <td>6</td>\n",
+       "      <td>5</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>Mortality (18-34(%))</td>\n",
+       "      <td>2</td>\n",
+       "      <td>2</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>Alive (35-54)</td>\n",
+       "      <td>180</td>\n",
+       "      <td>196</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>Dead (35-54)</td>\n",
+       "      <td>19</td>\n",
+       "      <td>41</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>5</th>\n",
+       "      <td>Mortality (35-54(%))</td>\n",
+       "      <td>9</td>\n",
+       "      <td>17</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>6</th>\n",
+       "      <td>Alive (55-64)</td>\n",
+       "      <td>81</td>\n",
+       "      <td>64</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>7</th>\n",
+       "      <td>Dead (55-64)</td>\n",
+       "      <td>40</td>\n",
+       "      <td>51</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>8</th>\n",
+       "      <td>Mortality (55-64(%))</td>\n",
+       "      <td>33</td>\n",
+       "      <td>44</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9</th>\n",
+       "      <td>Alive (65+)</td>\n",
+       "      <td>28</td>\n",
+       "      <td>7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10</th>\n",
+       "      <td>Dead (65+)</td>\n",
+       "      <td>165</td>\n",
+       "      <td>42</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>11</th>\n",
+       "      <td>Mortality (65+(%))</td>\n",
+       "      <td>85</td>\n",
+       "      <td>85</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "                       -  Non Smoker  Smoker\n",
+       "0          Alive (18-34)         213     176\n",
+       "1           Dead (18-34)           6       5\n",
+       "2   Mortality (18-34(%))           2       2\n",
+       "3          Alive (35-54)         180     196\n",
+       "4           Dead (35-54)          19      41\n",
+       "5   Mortality (35-54(%))           9      17\n",
+       "6          Alive (55-64)          81      64\n",
+       "7           Dead (55-64)          40      51\n",
+       "8   Mortality (55-64(%))          33      44\n",
+       "9            Alive (65+)          28       7\n",
+       "10            Dead (65+)         165      42\n",
+       "11    Mortality (65+(%))          85      85"
+      ]
+     },
+     "execution_count": 27,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "tableau_2 = [ { \"-\":\"Alive (18-34)\", \"Smoker\":smoker_alive_18_34, \"Non Smoker\":no_smoker_alive_18_34 },\n",
+    "      { \"-\":\"Dead (18-34)\", \"Smoker\":smoker_dead_18_34, \"Non Smoker\":no_smoker_dead_18_34 }, \n",
+    "           { \"-\":\"Mortality (18-34(%))\", \"Smoker\":smoker_18_34_mortality_rate, \"Non Smoker\":no_smoker_18_34_mortality_rate },\n",
+    "            { \"-\":\"Alive (35-54)\", \"Smoker\":smoker_alive_35_54, \"Non Smoker\":no_smoker_alive_35_54 },\n",
+    "      { \"-\":\"Dead (35-54)\", \"Smoker\":smoker_dead_35_54, \"Non Smoker\":no_smoker_dead_35_54 }, \n",
+    "           { \"-\":\"Mortality (35-54(%))\", \"Smoker\":smoker_35_54_mortality_rate, \"Non Smoker\":no_smoker_35_54_mortality_rate },\n",
+    "            { \"-\":\"Alive (55-64)\", \"Smoker\":smoker_alive_55_64, \"Non Smoker\":no_smoker_alive_55_64 },\n",
+    "      { \"-\":\"Dead (55-64)\", \"Smoker\":smoker_dead_55_64, \"Non Smoker\":no_smoker_dead_55_64 }, \n",
+    "           { \"-\":\"Mortality (55-64(%))\", \"Smoker\":smoker_55_64_mortality_rate, \"Non Smoker\":no_smoker_55_64_mortality_rate },\n",
+    "            { \"-\":\"Alive (65+)\", \"Smoker\":smoker_alive_65, \"Non Smoker\":no_smoker_alive_65 },\n",
+    "      { \"-\":\"Dead (65+)\", \"Smoker\":smoker_dead_65, \"Non Smoker\":no_smoker_dead_65 }, \n",
+    "           { \"-\":\"Mortality (65+(%))\", \"Smoker\":smoker_65_mortality_rate, \"Non Smoker\":no_smoker_65_mortality_rate }]\n",
+    "df_2 = pd.DataFrame(tableau_2)\n",
+    "df_2"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "On voit que pour les deux classes d'ages 18-34 et 65+, le taux de mortalité est le même pour les fumeurs et les non-fumeurs. En revanche, pour les classes d'age 35-54 et 55-64, le taux de mortalité des fumeurs est nettement plus élevé que celui des non-fumeurs"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
  "metadata": {
   "kernelspec": {
    "display_name": "Python 3",
@@ -16,10 +1503,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.3"
+   "version": "3.6.4"
   }
  },
  "nbformat": 4,
  "nbformat_minor": 2
 }
-