convert numerical data to categorical pandas code example

Example 1: pandas categorical to numeric

#this will label the different catagories as 0,1,2,3....
dataset["sex"] = dataset["sex"].astype('category').cat.codes

Example 2: panda categorical data into numerica

sex = train_dataset['Sex'].replace(['female','male'],[0,1])
print(sex)

Example 3: using df.astype to select categorical data and numerical data

df.satisfaction.astype("category",
  ordered=True,
  categories=ordered_satisfaction
)