Скачать или смотреть SQL For Data Science | NTILE Analytical Function | Top and Bottom N Percent Customers

In this video we are going to learn a SQL analytical function called NTILE which is used in data science to create customer distribution based on sales. We will use the orders dataset to understand it via solving a problem where we need to find top 25 and bottom 25 percent customers be sales.

here is the orders dataset link:
https://docs.google.com/spreadsheets/...

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#sql #datascience #analytics