From 0b9d5da99f4e1b7dc0e3cf72403a4018712969ad Mon Sep 17 00:00:00 2001
From: 264af2e9a1e4e844f861df089a5604e3
 <264af2e9a1e4e844f861df089a5604e3@app-learninglab.inria.fr>
Date: Wed, 30 Oct 2024 14:31:39 +0000
Subject: [PATCH] no commit message

---
 module3/exo2/exerciceTabac.ipynb | 453 +++++++++++++++++--------------
 1 file changed, 247 insertions(+), 206 deletions(-)

diff --git a/module3/exo2/exerciceTabac.ipynb b/module3/exo2/exerciceTabac.ipynb
index b665ffe..2a3553f 100644
--- a/module3/exo2/exerciceTabac.ipynb
+++ b/module3/exo2/exerciceTabac.ipynb
@@ -42,6 +42,13 @@
     "3. Etablir une régression logistique en introduisant un variable Death valant 1 ou 0 si la personne est morte ou pas au cours des 20 années entre les 2 sondages. Conclure."
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### Etape 1 :"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {
@@ -49,7 +56,7 @@
     "hidePrompt": true
    },
    "source": [
-    "Tout d'abord, il faut commencer par inclure les bibliothèques dont on aura besoin."
+    "Tout d'abord, il faut commencer par inclure les bibliothèques dont nous aurons besoin."
    ]
   },
   {
@@ -565,7 +572,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    " Création de 2 tableaux à partir du contenu du fichier csv :\n",
+    " Création de 2 \"tableaux\" à partir du contenu du fichier csv :\n",
     "        *nonFumeuses* contient les données des personnes qui ne fument pas (qui ont \"No\" dans la colonne \"Smoker\")\n",
     "        et *fumeuses* contient les données des personnes qui fument (qui ont \"Yes\" dans la colonne \"Smoker\")"
    ]
@@ -585,7 +592,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 21,
    "metadata": {},
    "outputs": [
     {
@@ -616,184 +623,184 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>915</th>\n",
+       "      <th>0</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>47.4</td>\n",
+       "      <td>21.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1095</th>\n",
+       "      <th>1</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>30.2</td>\n",
+       "      <td>19.3</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>941</th>\n",
+       "      <th>4</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>30.4</td>\n",
+       "      <td>81.4</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1311</th>\n",
+       "      <th>7</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Dead</td>\n",
-       "      <td>62.1</td>\n",
+       "      <td>57.5</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1091</th>\n",
+       "      <th>8</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>60.0</td>\n",
+       "      <td>24.8</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>945</th>\n",
+       "      <th>9</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>60.2</td>\n",
+       "      <td>49.5</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1148</th>\n",
+       "      <th>10</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>50.6</td>\n",
+       "      <td>30.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1307</th>\n",
+       "      <th>12</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>43.0</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>913</th>\n",
-       "      <td>Yes</td>\n",
-       "      <td>Dead</td>\n",
-       "      <td>84.4</td>\n",
+       "      <td>49.2</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>946</th>\n",
+       "      <th>19</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>25.0</td>\n",
+       "      <td>65.7</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1276</th>\n",
+       "      <th>21</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>58.5</td>\n",
+       "      <td>38.3</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>950</th>\n",
+       "      <th>23</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Dead</td>\n",
-       "      <td>43.3</td>\n",
+       "      <td>62.3</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1309</th>\n",
+       "      <th>26</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>35.9</td>\n",
+       "      <td>59.2</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>947</th>\n",
+       "      <th>30</th>\n",
        "      <td>Yes</td>\n",
-       "      <td>Dead</td>\n",
-       "      <td>37.1</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>34.6</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1125</th>\n",
+       "      <th>31</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>57.2</td>\n",
+       "      <td>51.9</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>948</th>\n",
+       "      <th>32</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>47.7</td>\n",
+       "      <td>49.9</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1093</th>\n",
+       "      <th>35</th>\n",
        "      <td>Yes</td>\n",
-       "      <td>Dead</td>\n",
-       "      <td>84.3</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>46.7</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>911</th>\n",
+       "      <th>36</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>38.6</td>\n",
+       "      <td>44.4</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1273</th>\n",
+       "      <th>37</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>55.7</td>\n",
+       "      <td>29.5</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1149</th>\n",
+       "      <th>38</th>\n",
        "      <td>Yes</td>\n",
-       "      <td>Alive</td>\n",
-       "      <td>21.5</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>33.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1111</th>\n",
+       "      <th>39</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>41.9</td>\n",
+       "      <td>35.6</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1127</th>\n",
+       "      <th>40</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>32.5</td>\n",
+       "      <td>39.1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1115</th>\n",
+       "      <th>42</th>\n",
        "      <td>Yes</td>\n",
-       "      <td>Dead</td>\n",
-       "      <td>63.3</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>35.7</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1114</th>\n",
+       "      <th>46</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Dead</td>\n",
-       "      <td>31.3</td>\n",
+       "      <td>44.3</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1143</th>\n",
+       "      <th>48</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>26.6</td>\n",
+       "      <td>37.5</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1102</th>\n",
+       "      <th>49</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>29.7</td>\n",
+       "      <td>22.1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1142</th>\n",
+       "      <th>53</th>\n",
        "      <td>Yes</td>\n",
-       "      <td>Dead</td>\n",
-       "      <td>71.0</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>39.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1140</th>\n",
+       "      <th>56</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>42.3</td>\n",
+       "      <td>40.1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1288</th>\n",
+       "      <th>60</th>\n",
        "      <td>Yes</td>\n",
-       "      <td>Dead</td>\n",
-       "      <td>39.3</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>58.1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>1132</th>\n",
+       "      <th>61</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>18.0</td>\n",
+       "      <td>37.3</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>63</th>\n",
+       "      <td>Yes</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>36.3</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>...</th>\n",
@@ -802,184 +809,184 @@
        "      <td>...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>649</th>\n",
+       "      <th>1240</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>36.9</td>\n",
+       "      <td>29.7</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>650</th>\n",
+       "      <th>1243</th>\n",
        "      <td>Yes</td>\n",
-       "      <td>Dead</td>\n",
-       "      <td>81.8</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>40.1</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>611</th>\n",
+       "      <th>1251</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>43.4</td>\n",
+       "      <td>27.8</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>608</th>\n",
+       "      <th>1252</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>23.5</td>\n",
+       "      <td>52.4</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>605</th>\n",
+       "      <th>1253</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>59.0</td>\n",
+       "      <td>27.8</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>604</th>\n",
+       "      <th>1254</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>43.8</td>\n",
+       "      <td>41.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>554</th>\n",
+       "      <th>1259</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>21.3</td>\n",
+       "      <td>40.8</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>555</th>\n",
+       "      <th>1260</th>\n",
        "      <td>Yes</td>\n",
-       "      <td>Dead</td>\n",
-       "      <td>76.9</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>20.4</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>558</th>\n",
+       "      <th>1263</th>\n",
        "      <td>Yes</td>\n",
-       "      <td>Dead</td>\n",
-       "      <td>75.2</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>20.9</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>560</th>\n",
+       "      <th>1264</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>53.0</td>\n",
+       "      <td>45.5</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>562</th>\n",
+       "      <th>1269</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>43.7</td>\n",
+       "      <td>38.8</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>563</th>\n",
+       "      <th>1270</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>50.9</td>\n",
+       "      <td>55.5</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>565</th>\n",
+       "      <th>1271</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>32.8</td>\n",
+       "      <td>24.9</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>566</th>\n",
+       "      <th>1273</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>50.7</td>\n",
+       "      <td>55.7</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>567</th>\n",
+       "      <th>1276</th>\n",
        "      <td>Yes</td>\n",
-       "      <td>Dead</td>\n",
-       "      <td>66.1</td>\n",
+       "      <td>Alive</td>\n",
+       "      <td>58.5</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>569</th>\n",
+       "      <th>1278</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>27.2</td>\n",
+       "      <td>43.7</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>548</th>\n",
+       "      <th>1282</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>62.1</td>\n",
+       "      <td>51.2</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>571</th>\n",
+       "      <th>1285</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>38.1</td>\n",
+       "      <td>48.3</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>573</th>\n",
+       "      <th>1288</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Dead</td>\n",
-       "      <td>55.2</td>\n",
+       "      <td>39.3</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>575</th>\n",
+       "      <th>1295</th>\n",
        "      <td>Yes</td>\n",
-       "      <td>Alive</td>\n",
-       "      <td>50.9</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>82.4</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>580</th>\n",
+       "      <th>1296</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>42.5</td>\n",
+       "      <td>38.3</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>583</th>\n",
+       "      <th>1297</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>26.6</td>\n",
+       "      <td>32.7</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>584</th>\n",
+       "      <th>1299</th>\n",
        "      <td>Yes</td>\n",
-       "      <td>Alive</td>\n",
-       "      <td>23.3</td>\n",
+       "      <td>Dead</td>\n",
+       "      <td>60.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>587</th>\n",
+       "      <th>1303</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>34.8</td>\n",
+       "      <td>31.2</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>589</th>\n",
+       "      <th>1304</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>28.2</td>\n",
+       "      <td>47.8</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>591</th>\n",
+       "      <th>1305</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>38.5</td>\n",
+       "      <td>60.9</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>592</th>\n",
+       "      <th>1307</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>41.0</td>\n",
+       "      <td>43.0</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>595</th>\n",
+       "      <th>1309</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Alive</td>\n",
-       "      <td>25.7</td>\n",
+       "      <td>35.9</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>572</th>\n",
+       "      <th>1311</th>\n",
        "      <td>Yes</td>\n",
        "      <td>Dead</td>\n",
-       "      <td>66.8</td>\n",
-       "    </tr>\n",
-       "    <tr>\n",
-       "      <th>656</th>\n",
-       "      <td>Yes</td>\n",
-       "      <td>Alive</td>\n",
-       "      <td>43.0</td>\n",
+       "      <td>62.1</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -988,83 +995,84 @@
       ],
       "text/plain": [
        "     Smoker Status   Age\n",
-       "915     Yes  Alive  47.4\n",
-       "1095    Yes  Alive  30.2\n",
-       "941     Yes  Alive  30.4\n",
-       "1311    Yes   Dead  62.1\n",
-       "1091    Yes  Alive  60.0\n",
-       "945     Yes  Alive  60.2\n",
-       "1148    Yes  Alive  50.6\n",
-       "1307    Yes  Alive  43.0\n",
-       "913     Yes   Dead  84.4\n",
-       "946     Yes  Alive  25.0\n",
-       "1276    Yes  Alive  58.5\n",
-       "950     Yes   Dead  43.3\n",
-       "1309    Yes  Alive  35.9\n",
-       "947     Yes   Dead  37.1\n",
-       "1125    Yes  Alive  57.2\n",
-       "948     Yes  Alive  47.7\n",
-       "1093    Yes   Dead  84.3\n",
-       "911     Yes  Alive  38.6\n",
+       "0       Yes  Alive  21.0\n",
+       "1       Yes  Alive  19.3\n",
+       "4       Yes  Alive  81.4\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",
+       "12      Yes  Alive  49.2\n",
+       "19      Yes  Alive  65.7\n",
+       "21      Yes  Alive  38.3\n",
+       "23      Yes   Dead  62.3\n",
+       "26      Yes  Alive  59.2\n",
+       "30      Yes  Alive  34.6\n",
+       "31      Yes  Alive  51.9\n",
+       "32      Yes  Alive  49.9\n",
+       "35      Yes  Alive  46.7\n",
+       "36      Yes  Alive  44.4\n",
+       "37      Yes  Alive  29.5\n",
+       "38      Yes   Dead  33.0\n",
+       "39      Yes  Alive  35.6\n",
+       "40      Yes  Alive  39.1\n",
+       "42      Yes  Alive  35.7\n",
+       "46      Yes   Dead  44.3\n",
+       "48      Yes  Alive  37.5\n",
+       "49      Yes  Alive  22.1\n",
+       "53      Yes  Alive  39.0\n",
+       "56      Yes  Alive  40.1\n",
+       "60      Yes  Alive  58.1\n",
+       "61      Yes  Alive  37.3\n",
+       "63      Yes   Dead  36.3\n",
+       "...     ...    ...   ...\n",
+       "1240    Yes  Alive  29.7\n",
+       "1243    Yes  Alive  40.1\n",
+       "1251    Yes  Alive  27.8\n",
+       "1252    Yes  Alive  52.4\n",
+       "1253    Yes  Alive  27.8\n",
+       "1254    Yes  Alive  41.0\n",
+       "1259    Yes  Alive  40.8\n",
+       "1260    Yes  Alive  20.4\n",
+       "1263    Yes  Alive  20.9\n",
+       "1264    Yes  Alive  45.5\n",
+       "1269    Yes  Alive  38.8\n",
+       "1270    Yes  Alive  55.5\n",
+       "1271    Yes  Alive  24.9\n",
        "1273    Yes  Alive  55.7\n",
-       "1149    Yes  Alive  21.5\n",
-       "1111    Yes  Alive  41.9\n",
-       "1127    Yes  Alive  32.5\n",
-       "1115    Yes   Dead  63.3\n",
-       "1114    Yes   Dead  31.3\n",
-       "1143    Yes  Alive  26.6\n",
-       "1102    Yes  Alive  29.7\n",
-       "1142    Yes   Dead  71.0\n",
-       "1140    Yes  Alive  42.3\n",
+       "1276    Yes  Alive  58.5\n",
+       "1278    Yes  Alive  43.7\n",
+       "1282    Yes  Alive  51.2\n",
+       "1284    Yes   Dead  36.0\n",
+       "1285    Yes  Alive  48.3\n",
        "1288    Yes   Dead  39.3\n",
-       "1132    Yes  Alive  18.0\n",
-       "...     ...    ...   ...\n",
-       "649     Yes  Alive  36.9\n",
-       "650     Yes   Dead  81.8\n",
-       "611     Yes  Alive  43.4\n",
-       "608     Yes  Alive  23.5\n",
-       "605     Yes  Alive  59.0\n",
-       "604     Yes  Alive  43.8\n",
-       "554     Yes  Alive  21.3\n",
-       "555     Yes   Dead  76.9\n",
-       "558     Yes   Dead  75.2\n",
-       "560     Yes  Alive  53.0\n",
-       "562     Yes  Alive  43.7\n",
-       "563     Yes  Alive  50.9\n",
-       "565     Yes  Alive  32.8\n",
-       "566     Yes  Alive  50.7\n",
-       "567     Yes   Dead  66.1\n",
-       "569     Yes  Alive  27.2\n",
-       "548     Yes  Alive  62.1\n",
-       "571     Yes  Alive  38.1\n",
-       "573     Yes   Dead  55.2\n",
-       "575     Yes  Alive  50.9\n",
-       "580     Yes  Alive  42.5\n",
-       "583     Yes  Alive  26.6\n",
-       "584     Yes  Alive  23.3\n",
-       "587     Yes  Alive  34.8\n",
-       "589     Yes  Alive  28.2\n",
-       "591     Yes  Alive  38.5\n",
-       "592     Yes  Alive  41.0\n",
-       "595     Yes  Alive  25.7\n",
-       "572     Yes   Dead  66.8\n",
-       "656     Yes  Alive  43.0\n",
+       "1295    Yes   Dead  82.4\n",
+       "1296    Yes  Alive  38.3\n",
+       "1297    Yes  Alive  32.7\n",
+       "1299    Yes   Dead  60.0\n",
+       "1303    Yes  Alive  31.2\n",
+       "1304    Yes  Alive  47.8\n",
+       "1305    Yes  Alive  60.9\n",
+       "1307    Yes  Alive  43.0\n",
+       "1309    Yes  Alive  35.9\n",
+       "1311    Yes   Dead  62.1\n",
        "\n",
        "[582 rows x 3 columns]"
       ]
      },
-     "execution_count": 5,
+     "execution_count": 21,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
+    "#Affichage\n",
     "fumeuses"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 22,
    "metadata": {},
    "outputs": [
     {
@@ -1532,12 +1540,13 @@
        "[732 rows x 3 columns]"
       ]
      },
-     "execution_count": 6,
+     "execution_count": 22,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
+    "#Affichage\n",
     "nonFumeuses"
    ]
   },
@@ -1763,7 +1772,8 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "On obtient des résultats assez surprenants dans le sens où étant donné que l'on nous a souvent répété que fumer est mauvais pour la santé, nous nous attendions à retrouver ce fait dans cette étude."
+    "On obtient des résultats assez surprenants dans le sens où, étant donné que l'on nous a souvent répété que fumer est mauvais pour la santé, nous nous attendions à retrouver ce fait dans cette étude.\n",
+    "Or, nous pouvons observer que le résultat des calculs effectués nous montre l'inverse de ce à quoi nous nous attendions : le groupe de femmes qui ne fumaient pas a un taux de mortalité supérieur à celui composé de femmes qui fumaient."
    ]
   },
   {
@@ -1773,6 +1783,37 @@
     "# Etape 2"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "nb18_34F = len(fumeuses.loc[fumeuses[\"Age\"]<=34]) - len(fumeuses.loc[fumeuses[\"Age\"]<18])\n",
+    "nb18_34NF = len(nonFumeuses.loc[nonFumeuses[\"Age\"]<=34]) - len(nonFumeuses.loc[nonFumeuses[\"Age\"]<18])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 34,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "5 fumeuses ayant entre 18 et 34 ans lors du premier sondage sont décédées durant la période de 20 ans\n"
+     ]
+    }
+   ],
+   "source": [
+    "test = fumeuses.loc[fumeuses[\"Age\"]<=34]\n",
+    "t2 = test.loc[test[\"Age\"]>18]\n",
+    "\n",
+    "nbDecedees18_34F = len(t2.loc[t2[\"Status\"]==\"Dead\"])\n",
+    "print(nbDecedees18_34F, \"fumeuses ayant entre 18 et 34 ans lors du premier sondage sont décédées durant la période de 20 ans\")"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
-- 
2.18.1