to fill the missing values in csv python by previous value code example

Example 1: missing values in a dataset python

df.isnull().sum()

Example 2: how to check missing values in python

# Total missing values for each featureprint df.isnull().sum()Out:ST_NUM          2ST_NAME         0OWN_OCCUPIED    2NUM_BEDROOMS    4

Example 3: how to filing the missing data by mean of row in dataframe in pandas

df.T.fillna(df.mean(axis=1)).T