6INTRODUCTION TO DATA ANALYSIS
The past few chapters were dedicated to finding and gathering data. But now that we have our data, what should we do with it? This chapter will help you understand how to perform simple data analyses.
In many ways, the term data analysis describes a very basic action: interviewing a data set. As with any interview, this means you ask questions of your data set. Sometimes these questions aren’t particularly complicated, and you can answer them by, say, sorting a column from its largest to smallest value. Other times they’re more complex and you need to run multiple analyses to answer them.
This chapter will introduce ...
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