The Foundation of Data Validation

Discussing the basic principles and methodology of data validation

Chengzhi Zhao
Towards Data Science
6 min readApr 30, 2024

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Photo by Vardan Papikyan on Unsplash

Although it may not be the most glamorous aspect of data work, data validation is crucial to any data-related task. Data validation can be tedious. When we think of validation of data, what is the first thing that comes into your mind? Endless Spreadsheet? Multiple layers of SubQuery SQL?

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