How to remove invalid data in R

Описание к видео How to remove invalid data in R

In this video, I use a real-world case to show you how to remove invalid data in R. I introduce four scenarios, including non-data rows, testing data, incomplete responses, and uncommon responses.

The lecture note can be found here: https://drive.google.com/file/d/1B1OI...

The sample data used in this video: https://drive.google.com/file/d/13ivn...

The video about data import in R:    • How to import .csv, .xlsx, and .sav f...  

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