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| import torch | |
| x_squared = torch.square(x) # où x est un tenseur défini au préalable. |
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| import torch | |
| x = torch.rand(1) | |
| # génère un tenseur de dimension 1 et dont la valeur est choisie uniformément sur [0, 1[. |
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| x = x.toarray() | |
| # avec x une matrice csr que vous avez définie au préalable. |
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| import torch.nn as nn | |
| class CustomModel(nn.Module): | |
| def __init__(self): | |
| super(CustomModel, self).__init__() | |
| # c'est ici que vous pouvez définir les couches du réseau | |
| # que vous utilsierez ensuite dans le forward. | |
| def forward(self, x): | |
| # Ici vous appliquez les couches de votre modèle à l'entrée x. |
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| from torch.utils.data import Dataset | |
| class CustomDataset(Dataset): | |
| def __init__(self, X, Y): | |
| self.X = X | |
| self.Y = Y | |
| def __len__(self): | |
| return len(self.Y) |
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| df[COLUMN_NAME] = values | |
| # où COLUMN_NAME est le nom de la colonne à rajouter | |
| # et values sont les valeurs à affecter. | |
| # values peut être un numpy array par exemple. |
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| import regex as re | |
| texte = "Drôle de texte" | |
| chaine_a_retirer = "x" | |
| nouveau_texte = re.sub(chaine_a_retirer, "", texte) | |
| # nouveau_texte est à présent la chaîne de caractères "Drôle de tete". |
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| import plotly.express as px | |
| # Chargeons des données pour l'exemple: | |
| df = px.data.gapminder().query("year==2007") | |
| # On crée et affiche la carte de l'exemple. | |
| fig = px.choropleth(df, locations="iso_alpha", | |
| color="lifeExp", # lifeExp est une colonne de df. Elle représente l'espérance de vie. | |
| # C'est ce qu'on va visualiser sur la carte. | |
| hover_name="country", # On rajoute la colonne pour voir l'information au survol de la carte. |
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| tar -xf file_name.tar.gz | |
| # où file_name.tar.gz est le nom de votre fichier. |
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| text = "Hello World!" | |
| print(f"J'aimerais vous dire deux mots: {text}") |