February 2017
Intermediate to advanced
274 pages
5h 58m
English
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Data operations
We have already presented some of the most common methods you will use with DataShapes (for example, .peek()), and ways to filter the data based on the column value. Blaze has implemented many methods that make working with any data extremely easy.
In this section, we will review a host of other commonly used ways of working with data and methods associated with them. For those of you coming from pandas and/or SQL, we will provide a respective syntax where equivalents exist.
Accessing columns
There are two ways of accessing columns: you can get a single column at a time by accessing them as if they were a DataShape attribute:
traffic.Year.head(2)
The preceding script produces the following output:
You can also use indexing that allows ...
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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.