14.handling-missing-value-3.py

print("Before imputation:")
# Checking missing value for each feature  
print(dataset.isnull().sum())
# Counting total missing value  
print(dataset.isnull().sum().sum())

print("\nAfter imputation:")
# Fill missing value with mean of feature value  
dataset.fillna(dataset.mean(), inplace = True)
# Checking missing value for each feature  
print(dataset.isnull().sum())
# Counting total missing value  
print(dataset.isnull().sum().sum())