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"]using df.astype to select categorical data and numerical data
df = pd.DataFrame({'vertebrates': ['Bird', 'Bird', 'Mammal', 'Fish', 'Amphibian', 'Reptile', 'Mammal']})
df.vertebrates.astype("category").cat.codeshow to convert categorical data to numerical data in python
pd.get_dummies(obj_df, columns=["body_style", "drive_wheels"], prefix=["body", "drive"]).head()how to convert categorical data to numerical data in python
obj_df["body_style"] = obj_df["body_style"].astype('category')
obj_df.dtypesCopyright © 2021 Codeinu
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