March 2018
Intermediate to advanced
816 pages
19h 35m
English
Content preview from SQL Server 2017 Developer???s Guide
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Organizing data with pandas
The pandas library is built on the top of the numpy library. Therefore, in order to use pandas, you need to import numpy first. The pandas library introduces many additional data structures and functions. Let's start our pandas tour with the panda Series object. This is a one-dimensional array, like a numpy array; however, you can define an explicitly named index, and refer to those names to retrieve the data, not just to the positional index. Therefore, a pandas Series object already looks like a tuple in the relational model, or a row in a table. The following code imports both packages, numpy and pandas. Then it defines a simple pandas Series, without an explicit index. The Series looks like a simple single-dimensional ...
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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.