Using R and RStudio for Data Management, Statistical Analysis, and Graphics, 2nd Edition

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“K23166” — 2015/1/28 — 9:35 — page 236 — #262

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236 APPENDIX A. INTRODUCTION TO R AND RSTUDIO

tidyr Easily tidy data with spread and gather functions [192].

tm A framework for text mining applications within R [38]

tmvtnorm Truncated multivariate normal and Student t distribution [195]

vcd Visualizing categorical data [113]

VGAM Vector generalized linear and additive models [201]

vioplot Violin plot [1]

WriteXLS Cross-platform Perl-based R function to create Excel spreadsheets [153]

XML Tools for parsing and generating XML [91]

xtable Export tables to L

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X or HTML [30]

Zelig Everyone’s statistical software [123]

These must be downloaded, installed, and loaded prior to use (see install.packages(),

require(), and library()), though the recommended ...