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How to Fill Missing Data with Pandas | Towards Data Science
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Python: How to Handle Missing Data in Pandas DataFrame
Working with missing data — pandas 1.5.3 documentation
![Forward and backward filling of missing values - Learning pandas - Second Edition [Book]](https://www.oreilly.com/api/v2/epubs/9781787123137/files/assets/34beaed2-5a50-4bb9-8772-01c6e82f386b.png "Forward and backward filling of missing values - Learning pandas - Second Edition [Book]")