November 2018
Intermediate to advanced
384 pages
12h 21m
English
book
Programming Skills for Data Science: Start Writing Code to Wrangle, Analyze, and Visualize Data with R, First Edition
by Joel Ross, Michael Freeman
Content preview from Programming Skills for Data Science: Start Writing Code to Wrangle, Analyze, and Visualize Data with R, First Edition
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8Lists
This chapter covers an additional R data type called a list. Lists are somewhat similar to vectors, but can store more types of data and usually include more details about that data (with some cost). Lists are R’s version of a map, which is a common and extremely useful way of organizing data in a computer program. Moreover, lists are used to create data frames, which are the primary data storage type used for working with sets of real data in R. This chapter covers how to create and access elements in a list, as well as how to apply functions to lists.
8.1 What Is a List?
A list is a lot like a vector, in that it is a one-dimensional collection of data. However, unlike a vector, you can store elements of different types in a list; for ...
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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.
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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.