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ISIwithR

This R Companion to Introduction to Statistical Investigations (Preliminary Edition) by Nathan Tintle et al provides

  • a companion text demonstrating how to use R to perform the analyses in that book
  • an R package (ISIwithR)

Companion Text

The campanion text is available as a PDF [to view] or [to download]

  • The authors are Randall Pruim and Lana Park.

R Package

The ISIwithR package can be installed from github using

devtools::install_github("rpruim/ISIwithR")

This package contains

  • all of the data sets used in the book, and
  • the isa_snippet() function which can be used to run any of 463 code chunks from the campanion.

For example:

require(ISIwithR)
require(mosaic)
isi_snippet("Exploration6.3.8")
#> 
#> 
#> 	isa_snippet(Exploration6.3.8)
#> 	------ ~~~~~~~~~~~~~~~~
#> 
#> > Friends.null <- do(1000) * diffmean(friends ~ shuffle(sex), data = CloseFriends)
#> 
#> > head(Friends.null, 3)
#>      diffmean
#> 1  0.15596895
#> 2  0.04284731
#> 3 -0.20546848
#> 
#> > histogram(~ diffmean, data = Friends.null, width = 0.05,
#> +         group = cut(diffmean, c(-0.4, -0.228, 0.228, 0.4)), 
#> +         fcol = c("steelblue", "navy", "steelblue"))