when to use label encoding code example

Example 1: label encoding

from sklearn.preprocessing import LabelEncoder

le = LabelEncoder()
companydata.ShelveLoc = le.fit_transform(companydata.ShelveLoc)

Example 2: how to use label encoding in python

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

obj_df["body_style_cat"] = obj_df["body_style"].cat.codes
obj_df.head()