Answers for "calculate probability of missing values in a column pandas"

count missing values by column in pandas

df.isna().sum()

find percentage of missing values in a column in python

features_with_na=[features for features in dataset.columns if dataset[features].isnull().sum()>0]
for feature in features_with_na:
  print(feature, np.round(dataset[feature].isnull().mean(),4), ' %missing values')