Package 'learnrbook' comtains data and foreign files used in examples in the book "Learn R ...as you learnt your mother tongue" by Pedro J. Aphalo (available at https://leanpub.com/learnr).
In addition this package exports as character vectors the names of the packages used in the book, so as to make it easier to install them.
To install this R package from CRAN use:
install.packages("learnrbook")
Please, see the web site r4photobiology for details and update notices. Other packages, aimed at easing photobiology-related calculations including the quantification of biologically effective radiation in meteorology are available at the same website.