Total number of rows with missing values code example

Example 1: count nan pandas

#Python, pandas
#Count missing values for each column of the dataframe df

df.isnull().sum()

Example 2: number of columns with no missing values

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

Example 3: number of columns with no missing values

df = df[df.columns[~df.isnull().all()]]