December 2017
Intermediate to advanced
386 pages
10h 42m
English
Content preview from SciPy Recipes
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How to do it...
Selecting the data in specific columns of a DataFrame is performed by using the [] operator. This differs from a Series, where [] specifies rows. The [] operator can be passed either a single object or a list of objects representing the columns to retrieve.
The following retrieves the column with the name Sector:
When a single column is retrieved from a DataFrame, the result is a Series:
Multiple columns can be retrieved by specifying a list of column names:
Since this has multiple columns, the result is a DataFrame instead ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.