mosaic
package, which was written to simplify the use of R for introductory statistics courses (see https://journal.r-project.org/archive/2017/RJ-2017-024 for more details). A short summary of the R needed to teach introductory statistics can be found in the mosaic package vignettes (http://cran.r-project.org/web/packages/mosaic). Nicholas J Horton & Patrick S Frenett (last updated August 12, 2017)