Merge pull request 'Adding prediction function' (#18) from prediction into master

Reviewed-on: #18

src/back/prediction.py

@@ -0,0 +1,19 @@
+from sklearn.model_selection import train_test_split
+from sklearn.linear_model import LinearRegression
+from sklearn.ensemble import RandomForestRegressor
+
+
+def getColumnsForPredictionAndPredict(df,columns, columnGoal, algoOfPrediction):
+    predictors = df[columns]
+    target = df[columnGoal]
+    X_train, X_test, y_train, y_test = train_test_split(predictors, target, test_size=0.2, random_state=42)
+
+    if algoOfPrediction == "Régression Linéaire":
+        model = LinearRegression()
+    elif algoOfPrediction == "Forêt Aléatoire":
+        model = RandomForestRegressor(n_estimators=100)   
+    else:
+        raise NameError("No method name : \"" + algoOfPrediction + "\"")
+
+    model.fit(X_train, y_train)
+    return model.predict(X_test)