find nan values in column pandas code example
Example 1: count nan pandas
df.isnull().sum()
Example 2: find nan value in dataframe python
df['your column name'].isnull()
Example 3: find all nan columns pandas
nan_cols = [i for i in df.columns if df[i].isnull().any()]
print("No. of columns containing null values")
print(len(df.columns[df.isna().any()]))
print("No. of columns not containing null values")
print(len(df.columns[df.notna().all()]))
print("Total no. of columns in the dataframe")
print(len(df.columns))
Example 4: pandas nan values in column
df['your column name'].isnull()