Answers for "getting the number of missing values in pandas"

number of columns with no missing values

null_cols = df.columns[df.isnull().all()]
df.drop(null_cols, axis = 1, inplace = True)

pandas count number missing values

dfObj.isnull().sum()

pandas count number missing values

dfObj.isnull().sum().sum()

getting the number of missing values in pandas

cols_to_delete = df.columns[df.isnull().sum()/len(df) > .90]
df.drop(cols_to_delete, axis = 1, inplace = True)