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Advanced R: Data Programming and the Cloud by Joshua F. Wiley, Matt Wiley

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© Matt Wiley and Joshua F. Wiley 2016

Matt Wiley and Joshua F. Wiley, Advanced R, 10.1007/978-1-4842-2077-1_7

7. Introduction to Data Management Using data.table

Matt Wiley and Joshua F. Wiley1

(1)Elkhart Group Ltd. & Victoria College, Columbia City, Indiana, USA

We already briefly introduced the data.table package. This package is the heart of this chapter, which covers the basics of accessing, editing, and manipulating data under the broad term data management. Although not glamorous, data management is a critical first step to data visualization or analysis. Furthermore, the majority of time on a particular analysis project may come from the data management. For example, running a linear model in R can take one line of code, once the data is ...

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