This book is in Open Review. We want your feedback to make the book better for you and other students. You may annotate some text by selecting it with the cursor and then click the on the pop-up menu. You can also see the annotations of others: click the in the upper right hand corner of the page

1.1 Colophon

This book was build with:

#> ─ Session info ─────────────────────────────────────────────────────────────────────────────────────────────────────────────
#>  setting  value                       
#>  version  R version 4.1.1 (2021-08-10)
#>  os       macOS Big Sur 11.4          
#>  system   x86_64, darwin17.0          
#>  ui       RStudio                     
#>  language (EN)                        
#>  collate  en_US.UTF-8                 
#>  ctype    en_US.UTF-8                 
#>  tz       Europe/Berlin               
#>  date     2021-10-06                  
#> 
#> ─ Packages ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────
#>  ! package  * version date lib source
#>  R itewrpkg   <NA>    <NA> [?] <NA>  
#> 
#> [1] /Library/Frameworks/R.framework/Versions/4.1/Resources/library
#> 
#>  R ── Package was removed from disk.