df fillna for column code example
Example 1: pandas replace nan
data["Gender"].fillna("No Gender", inplace = True)
Example 2: dataframe fillna with 0
df['column'] = df['column'].fillna(0)
Example 3: python pandas fillna
# importing pandas module
import pandas as pd
# making data frame from csv file
nba = pd.read_csv("nba.csv")
# replacing na values in college with No college
nba["College"].fillna("No College", inplace = True)
# OR
nba.College.fillna("No College", inplace = True)
print(nba)