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Apprendre Label Encoding of the Target Variable | Processing Categorical Data
Data Preprocessing
course content

Contenu du cours

Data Preprocessing

Data Preprocessing

1. Brief Introduction
2. Processing Quantitative Data
3. Processing Categorical Data
4. Time Series Data Processing
5. Feature Engineering
6. Moving on to Tasks

book
Label Encoding of the Target Variable

Let's go straight to the main thing - label encoding implements everything the same as ordinal encoder, but:

  • Methods work with different data dimensions;
  • The order of the categories is not important for label encoding.

How to use this method in Python:

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from sklearn.preprocessing import LabelEncoder import pandas as pd # Simple categorical variable fruits = pd.Series(['apple', 'orange', 'banana', 'banana', 'apple', 'orange', 'banana']) # Create label encoder object le = LabelEncoder() # Fit and transform the categorical variable using label encoding fruits_encoded = le.fit_transform(fruits) # Print the encoded values print(fruits_encoded)
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Tâche

Swipe to start coding

Read the dataset 'salary_and_gender.csv' and encode the output column 'Gender' with label encoding.

Solution

Switch to desktopPassez à un bureau pour une pratique réelleContinuez d'où vous êtes en utilisant l'une des options ci-dessous
Tout était clair ?

Comment pouvons-nous l'améliorer ?

Merci pour vos commentaires !

Section 3. Chapitre 4
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book
Label Encoding of the Target Variable

Let's go straight to the main thing - label encoding implements everything the same as ordinal encoder, but:

  • Methods work with different data dimensions;
  • The order of the categories is not important for label encoding.

How to use this method in Python:

1234567891011121314
from sklearn.preprocessing import LabelEncoder import pandas as pd # Simple categorical variable fruits = pd.Series(['apple', 'orange', 'banana', 'banana', 'apple', 'orange', 'banana']) # Create label encoder object le = LabelEncoder() # Fit and transform the categorical variable using label encoding fruits_encoded = le.fit_transform(fruits) # Print the encoded values print(fruits_encoded)
copy
Tâche

Swipe to start coding

Read the dataset 'salary_and_gender.csv' and encode the output column 'Gender' with label encoding.

Solution

Switch to desktopPassez à un bureau pour une pratique réelleContinuez d'où vous êtes en utilisant l'une des options ci-dessous
Tout était clair ?

Comment pouvons-nous l'améliorer ?

Merci pour vos commentaires !

Section 3. Chapitre 4
Switch to desktopPassez à un bureau pour une pratique réelleContinuez d'où vous êtes en utilisant l'une des options ci-dessous
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