Data Cleaning 101 in SQL - #4.2 A Practical Tutorial for Data Deduplication
I am glad to have you for the fourth part of my complete guide on data cleaning. #1: Tidying Messy Data #2: Dealing with Missing Data #3.1: A discussion on the Nature of Outliers #3.2: The Origin of Outliers & Detection Techniques #4.1: Where does Data Duplication come from? #4.2: A Practical Tutorial for Data Deduplication <– You are here Can you spot the impostor? - Picture by the author...