From f66446aed49d336b226b6cf41587ff2f5978c81a Mon Sep 17 00:00:00 2001
From: escuiller <elliot.scuiller@uha.fr>
Date: Mon, 27 Apr 2020 15:34:22 +0200
Subject: [PATCH] =?UTF-8?q?conversion=20des=20dates=20et=20v=C3=A9rificati?=
 =?UTF-8?q?on=20int=C3=A9grit=C3=A9=20donn=C3=A9es?=
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---
 module3/exo2/exercice_python_fr.org | 52 +++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/module3/exo2/exercice_python_fr.org b/module3/exo2/exercice_python_fr.org
index 59d6917..5537eac 100644
--- a/module3/exo2/exercice_python_fr.org
+++ b/module3/exo2/exercice_python_fr.org
@@ -17,6 +17,10 @@
 Les données au format csv sont téléchargées depuis l'adresse :
 http://www.sentiweb.fr/datasets/incidence-PAY-7.csv
 
+Code source adapté de :
+#+NAME: code-source-mooc
+https://gitlab.inria.fr/learninglab/mooc-rr/mooc-rr-ressources/blob/master/module3/ressources/analyse-syndrome-grippal-orgmode.org
+
 #+begin_src python :results output :session :exports both
 from urllib.request import urlretrieve
 import os
@@ -82,3 +86,51 @@ Vérification visuelle des premières et dernières lignes.
 
 ** Conversion des dates
 
+Code source du  mooc.
+#+begin_src python :results output :session :exports both
+import datetime
+converted_data = [(datetime.datetime.strptime(year_and_week + ":1" , '%G%V:%u').date(),
+                  int(inc))
+                  for year_and_week, inc in data]
+converted_data.sort(key = lambda record: record[0])
+#+end_src
+
+#+RESULTS:
+
+Visualisation premières lignes. Code source tjrs repris de
+[[code-source-mooc]]
+
+#+begin_src python :results value :session :exports both
+str_data = [(str(date), str(inc)) for date, inc in converted_data]
+[('date', 'inc'), None] + str_data[:5] + [None] + str_data[-5:]
+#+end_src
+
+#+RESULTS:
+|       date |   inc |
+|------------+-------|
+| 1990-12-03 |  1143 |
+| 1990-12-10 | 11079 |
+| 1990-12-17 | 19080 |
+| 1990-12-24 | 19375 |
+| 1990-12-31 | 15565 |
+|------------+-------|
+| 2020-03-16 |  8123 |
+| 2020-03-23 |  7326 |
+| 2020-03-30 |  3879 |
+| 2020-04-06 |  1918 |
+| 2020-04-13 |   803 |
+
+Vérification des dates : voyons si il y a des données manquantes,
+i.e. plus de 7 jours d'écart entre deux dates.
+
+#+begin_src python :results output :session :exports both
+dates = [date for date, _ in converted_data]
+for date1, date2 in zip(dates[:-1], dates[1:]):
+    if date2-date1 != datetime.timedelta(weeks=1):
+        print(f"Il y a {date2-date1} entre {date1} et {date2}")
+#+end_src
+
+#+RESULTS:
+
+Visiblement aucune ligne manquante.
+
-- 
2.18.1