February 2023
Beginner to intermediate
384 pages
8h 35m
English
Content preview from Data Wrangling with R
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5
Working with Numbers
Variables are quantitative when they quantify a measurement of something. Numbers are the representation of those measurements, which will most likely vary for each observation and start to create variation patterns that can tell us you a lot about a subject.
In this chapter, we will work with numbers, learning how to handle them in vectors, matrices, or data frames, since there are differences in terms of dimensions and functions available for each data type.
Once we have that covered, it is then time to see how to do math operations in RStudio, not only using basic functions but also creating custom functions, which we will apply to numbers, making our set of tools more powerful so we can deal with many kinds of problems. ...
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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.