September 2018
Beginner to intermediate
310 pages
7h 56m
English
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Chapter 8
Getting an Overview
Diagrams prove nothing, but bring outstanding features readily to the eye.
R. A. Fisher ([Fisher, 1925])
Summary
Chapter 8 discusses getting an initial overall view of a dataset.
8.1 Introduction
When you first start work on a dataset it is important to learn what variables it includes and what the data are like. There will usually be some initial analysis goals, but it is still necessary to look over the dataset to ensure that you know what you are dealing with. There could be issues of data quality, perhaps missing values and outliers (discussed in the next chapter), and there could just be some surprising basic statistics.
There are several different functions in R for showing what is in a dataset. You can show ...
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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.