This is the R package for the text and it can be obtained in various ways.
See the package notes for further information.
Code used in the text
For a list of all the R code used in the text, even the mundane stuff, follow the link below.
info about the
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Instructors interested in adopting the text can find more information
by following the
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download R from CRAN
R can be downloaded from CRAN (Comprehensive R Archive Network).
RStudio can make using R much easier, especially for the novice.
Serious users should use Microsoft R Open (free) -- it runs on many different platforms.