maalouf imad commited on
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Update notebooks/TP1_Titanic_Survival.ipynb

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notebooks/TP1_Titanic_Survival.ipynb CHANGED
@@ -4,7 +4,7 @@
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  "cell_type": "markdown",
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  "metadata": {},
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  "source": [
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- "# 🚢 TP-1 : Survie sur le Titanic — Classification\n",
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  "\n",
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  "**Objectif** : Prédire la survie des passagers du Titanic à partir de leurs caractéristiques.\n",
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  "\n",
@@ -21,7 +21,7 @@
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  "cell_type": "markdown",
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  "metadata": {},
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  "source": [
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- "## 📋 Table des matières\n",
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  "\n",
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  "1. [Import des bibliothèques](#section-1)\n",
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  "2. [Chargement et exploration des données](#section-2)\n",
@@ -86,7 +86,7 @@
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  "train_df = pd.read_csv('https://raw.githubusercontent.com/datasciencedojo/datasets/master/titanic.csv')\n",
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  "\n",
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  "print(f\"📊 Dimensions du dataset : {train_df.shape}\")\n",
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- "print(f\"\\n📋 Colonnes : {list(train_df.columns)}\")"
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  ]
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  },
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  {
@@ -134,7 +134,7 @@
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  " 'Pourcentage': missing_percent\n",
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  "}).sort_values('Pourcentage', ascending=False)\n",
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  "\n",
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- "print(\"🔍 Valeurs manquantes :\")\n",
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  "print(missing_df[missing_df['Valeurs manquantes'] > 0])"
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  ]
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  },
@@ -332,7 +332,7 @@
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  "lr_pred = lr_model.predict(X_test)\n",
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  "lr_accuracy = accuracy_score(y_test, lr_pred)\n",
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  "\n",
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- "print(f\"🎯 Régression Logistique - Accuracy : {lr_accuracy:.4f}\")"
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  ]
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  },
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  {
@@ -377,7 +377,7 @@
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  " n_jobs=-1\n",
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  ")\n",
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  "\n",
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- "print(\" Optimisation en cours...\")\n",
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  "grid_search.fit(X_train, y_train)\n",
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  "\n",
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  "print(f\"\\n✅ Meilleurs paramètres : {grid_search.best_params_}\")\n",
@@ -402,7 +402,7 @@
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  "best_model = grid_search.best_estimator_\n",
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  "best_pred = best_model.predict(X_test)\n",
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  "\n",
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- "print(\"📊 Rapport de classification :\")\n",
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  "print(classification_report(y_test, best_pred, target_names=['Non survécu', 'Survécu']))"
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  ]
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  },
@@ -454,7 +454,7 @@
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  "# Cross-validation finale\n",
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  "cv_scores = cross_val_score(best_model, X, y, cv=5, scoring='accuracy')\n",
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  "\n",
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- "print(f\"📊 Cross-validation (5-fold) :\")\n",
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  "print(f\" Mean accuracy : {cv_scores.mean():.4f}\")\n",
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  "print(f\" Std accuracy : {cv_scores.std():.4f}\")\n",
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  "print(f\" Scores : {cv_scores}\")"
@@ -464,7 +464,7 @@
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  "cell_type": "markdown",
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  "metadata": {},
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  "source": [
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- "## 🎓 Conclusion\n",
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  "\n",
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  "Dans ce TP, nous avons :\n",
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  "\n",
 
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  "cell_type": "markdown",
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  "metadata": {},
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  "source": [
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+ "# TP-1 : Survie sur le Titanic — Classification\n",
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  "\n",
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  "**Objectif** : Prédire la survie des passagers du Titanic à partir de leurs caractéristiques.\n",
10
  "\n",
 
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  "cell_type": "markdown",
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  "metadata": {},
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  "source": [
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+ "## Table des matières\n",
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  "\n",
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  "1. [Import des bibliothèques](#section-1)\n",
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  "2. [Chargement et exploration des données](#section-2)\n",
 
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  "train_df = pd.read_csv('https://raw.githubusercontent.com/datasciencedojo/datasets/master/titanic.csv')\n",
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  "\n",
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  "print(f\"📊 Dimensions du dataset : {train_df.shape}\")\n",
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+ "print(f\"\\n Colonnes : {list(train_df.columns)}\")"
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  ]
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  },
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  {
 
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  " 'Pourcentage': missing_percent\n",
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  "}).sort_values('Pourcentage', ascending=False)\n",
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  "\n",
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+ "print(\"Valeurs manquantes :\")\n",
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  "print(missing_df[missing_df['Valeurs manquantes'] > 0])"
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  ]
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  },
 
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  "lr_pred = lr_model.predict(X_test)\n",
333
  "lr_accuracy = accuracy_score(y_test, lr_pred)\n",
334
  "\n",
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+ "print(f\" Régression Logistique - Accuracy : {lr_accuracy:.4f}\")"
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  ]
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  },
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  {
 
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  " n_jobs=-1\n",
378
  ")\n",
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  "\n",
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+ "print(\" Optimisation en cours...\")\n",
381
  "grid_search.fit(X_train, y_train)\n",
382
  "\n",
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  "print(f\"\\n✅ Meilleurs paramètres : {grid_search.best_params_}\")\n",
 
402
  "best_model = grid_search.best_estimator_\n",
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  "best_pred = best_model.predict(X_test)\n",
404
  "\n",
405
+ "print(\" Rapport de classification :\")\n",
406
  "print(classification_report(y_test, best_pred, target_names=['Non survécu', 'Survécu']))"
407
  ]
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  },
 
454
  "# Cross-validation finale\n",
455
  "cv_scores = cross_val_score(best_model, X, y, cv=5, scoring='accuracy')\n",
456
  "\n",
457
+ "print(f\" Cross-validation (5-fold) :\")\n",
458
  "print(f\" Mean accuracy : {cv_scores.mean():.4f}\")\n",
459
  "print(f\" Std accuracy : {cv_scores.std():.4f}\")\n",
460
  "print(f\" Scores : {cv_scores}\")"
 
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  "cell_type": "markdown",
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  "metadata": {},
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  "source": [
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+ "## Conclusion\n",
468
  "\n",
469
  "Dans ce TP, nous avons :\n",
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  "\n",