Answers for "replace nan with mode pandas"

replace nan in pandas

df['DataFrame Column'] = df['DataFrame Column'].fillna(0)

replace error with nan pandas

df['workclass'].replace('?', np.NaN)

fill na with mode and mean python

cateogry_columns=df.select_dtypes(include=['object']).columns.tolist()
integer_columns=df.select_dtypes(include=['int64','float64']).columns.tolist()

for column in df:
    if df[column].isnull().any():
        if(column in cateogry_columns):
            df[column]=df[column].fillna(df[column].mode()[0])
        else:
            df[column]=df[column].fillna(df[column].mean)

how to replace nan values with 0 in pandas

df.fillna(0)