Using R for Introductory Statistics : John Verzani

Web accompanimentsThe home page for this book ishttp://www.math.csi.cuny.edu/UsingROn this page you will find solutions to selected homework problems (a full solutionsmanual for instructors is available from the publisher), a list of errata, and anaccompanying package containing data sets and a few functions used in the text. TheUsingR package contains data sets collected from various places. Consult the help pageof a data set for proper attribution. The package needs to be installed on your computerprior to usage. If your computer has an internet connection, the command> install.packages("UsingR")will fetch the package from CRAN, R’s warehouse of add-on packages, and install it. Thecommand library (UsingR) will load the package for use.If for some reason this fails, the package can be retrieved from this book’s home pagewith the commands> where="http://www.math.csi.cuny.edu/UsingR"> install.packages("UsingR",contriburl=where)Finally, if that fails, the package can be downloaded from the home page and installedmanually as described in Chapter 1.Using RThe R software is obtained from the Comprehensive R Archive Network (CRAN), whichmay be reached from the main R web site http://www.r-project/. org. Some basic detailsfor installation appear in Appendix A and more detail is on the CRAN website. This bookwas written to reflect the changes introduced by version 2.0.0 of R. R has approximatelytwo new major releases per year (the second number in the version number). Despite theaddition of numerous improvements with each new version, the maintainers of R do avery careful job with the upgrades to R. Minor bug fixes appear in maintenance versions(the third number). It is recommended that you upgrade your installation to keep pacewith these changes to R, although these new releases may affect some of the details givenin this text.AcknowledgmentsThe author has many people to thank for this project. First, the numerous contributors tothe R software and especially the core members for their seemingly tireless efforts inproducing this excellent software. Next, the editorial staff at Chapman Hall/CRC was