get index of nan values pandas for a column code example

Example 1: find position of nan pandas

# position of NaN values in terms of index
df.loc[pandas.isna(df["b"]), :].index

# position of NaN values in terms of rows that cotnain NaN
df.loc[pandas.isna(df["b"]), :]

Example 2: find index of null values pandas

rows_with_nan = [index for index, row in df.iterrows() if row.isnull().any()]