how to change categorical data to numerical data code example

Example 1: how to convert categorical data to binary data in python

MedInc        False
HouseAge      False
AveRooms      False
AveBedrms     False
Population    False
AveOccup      False
Latitude      False
Longitude     False
Price         False
dtype: bool

Example 2: how to convert categorical data to numerical data in python

obj_df["body_style"] = obj_df["body_style"].astype('category')
obj_df.dtypes

Example 3: To convert categorical data to numerical

cat_cols = ['Item_Identifier', 'Item_Fat_Content', 'Item_Type', 'Outlet_Identifier', 
         'Outlet_Size', 'Outlet_Location_Type', 'Outlet_Type', 'Item_Type_Combined']
enc = LabelEncoder()

for col in cat_cols:
    train[col] = train[col].astype('str')
    test[col] = test[col].astype('str')
    train[col] = enc.fit_transform(train[col])
    test[col] = enc.transform(test[col])

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