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| conda create --name <NOM DE L'ENVIRONNEMENT> | |
| # Par exemple, si on veut créer un environnement "venvconda" (pour virtual environment Anaconda), on fera: | |
| # conda create --name venvconda |
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| where python | |
| # Par exemple, ceci peut retourner: | |
| # C:\ProgramData\Anaconda3\python.exe | |
| C:\Users\<NOM D'UTILISATEUR>\AppData\Local\Microsoft\WindowsApps\python.exe |
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| python --version | |
| # Peut retourner par exemple: | |
| # Python 3.9.7 |
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| git clone https://github.com/<UTILISATEUR>/<DEPOT> | |
| # Remplacer <UTILISATEUR> par le nom de l'utilisateur à qui appartient le dépôt. | |
| # Remplacer <DEPOT> par le nom du dépôt. | |
| # Par exemple, l'instruction suivante permet de cloner le dépôt "example-repository" de l'utilisateur "ladatascience": | |
| # git clone https://github.com/ladatascience/example-repository |
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| from sklearn.datasets import make_regression | |
| X, Y, coef = make_regression( | |
| n_samples=200, # Nombre d'échantillons retournés. | |
| n_features=1, # Nombre de features retournés pour chacun des échantillons. | |
| n_informative=1, # Nombre de features utilisés pour générer le dataset. | |
| n_targets=1, # Nombre de variables à prédire. | |
| bias=-2, # Biais. | |
| noise=1, # Ecart-type du bruit gaussien rajouté au Y généré. | |
| coef=True, # Indique si l'on veut retourner le coefficient directeur. |
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| import warnings | |
| warnings.filterwarnings("error") | |
| # Placer le code ci-dessous au début de votre code Python. | |
| # Vous pouvez maintenant utiliser la structure en | |
| # try: | |
| # # faire quelque chose | |
| # except: | |
| # # faire une chose différente | |
| # pour gérer votre warning. |
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| df = df.set_index("date") | |
| # Supposons que l'on dispose d'une dataframe df déjà définie. | |
| # La ligne ci-dessus affecte les valeurs de la colonne "date" de df à son index. |
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| columns = list(df.columns.values) | |
| # où df est une dataframe définie au préalable. |
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| for column in df: | |
| # faire quelque chose. |
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| df = df.drop(["pays", "ville"], axis=1) | |
| # La ligne ci-dessus supprime les colonnes "pays" et "ville" d'une dataframe df qui contiendrait de telles colonnes. | |
| # Modifiez la liste passée en argument de drop pour supprimer les colonnes que vous voulez de votre dataframe. |