Answers for "check for null values in dataframe column"

show rows with a null value pandas

df1 = df[df.isna().any(axis=1)]

Posted by: Guest on March-19-2021

python count null values in dataframe

# Count total missing values in a dataframe

df.isnull().sum().sum()

# Gives a integer value

Posted by: Guest on April-25-2020

python if column is null then

df['real_lastName'] = np.where(df['LastName'].isnull(), df['Middle'], df['LastName'] )

print (df)
  FirstName Middle LastName real_lastName
0       Tom     Ju      NaN            Ju
1      Kity    NaN      Rob           Rob

Posted by: Guest on June-30-2020

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Answers for "check for null values in dataframe column"

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