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How to Write SQL Window Functions with Python Pandas

Explained with examples.

Photo by Elena Mozhvilo on Unsplash

SQL window functions are great tools for data analysis. What they basically do is to perform a calculation across a group of rows that are somehow related.

Consider we have a table that contains a list of employees along with their department and salary. In order to calculate the average employee salary, we can just take…

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Data Scientist at Wander | linkedin.com/in/soneryildirim/ | twitter.com/snr14

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