display all categorical column in pandas dataframe
# get all categorical columns in the dataframe
catCols = [col for col in df.columns if df[col].dtype=="O"]display all categorical column in pandas dataframe
# get all categorical columns in the dataframe
catCols = [col for col in df.columns if df[col].dtype=="O"]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])Copyright © 2021 Codeinu
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