October 2019
Beginner to intermediate
674 pages
16h 43m
English
Content preview from Mastering pandas - Second Edition
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Using loops
The following screenshot shows how to validate cells by using loops:
Validating cells using loops
The results were highly encouraging when we used pandas indexing. It took only 0.53 seconds to validate a DataFrame with 200,000 rows and 15 columns, whereas the same validation routine took more than 7 minutes to complete using loops. Therefore it is always recommended to leverage the power of pandas and avoid iterative programming.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.