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 make a column a factor in pandas
df['col_name'] = df['col_name'].astype('category')treat NaN as a category
g_without_nan = g.cat.add_categories("D").fillna("D")Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
