Explore how many null values are in each column of your dataset flights.isnull().sum() (Optional) Check how many null values are in a specific column, substituting the name of your column in string ...

Learn what null values are, why they occur, and how to identify and remove them in data cleaning for data mining. Improve the quality and reliability of your data mining results.

This mini project discuses on how to remove both duplicates and null values in a given dataset - Releases · Tikue777/Remove-Duplicates-and-Null-Values-in-Dataset-using-Python.