Building Environment

The R session information when compiling this book is shown below.

sessionInfo()
#> R version 4.1.2 (2021-11-01)
#> Platform: x86_64-apple-darwin17.0 (64-bit)
#> Running under: macOS Big Sur 10.16
#> 
#> Matrix products: default
#> BLAS:   /Library/Frameworks/R.framework/Versions/4.1/Resources/lib/libRblas.0.dylib
#> LAPACK: /Library/Frameworks/R.framework/Versions/4.1/Resources/lib/libRlapack.dylib
#> 
#> locale:
#> [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
#> 
#> attached base packages:
#> [1] stats     graphics  grDevices utils     datasets  methods   base     
#> 
#> other attached packages:
#> [1] dplyr_1.0.8
#> 
#> loaded via a namespace (and not attached):
#>  [1] pillar_1.7.0     bslib_0.3.1      compiler_4.1.2   jquerylib_0.1.4 
#>  [5] tools_4.1.2      bit_4.0.4        digest_0.6.29    jsonlite_1.8.0  
#>  [9] evaluate_0.15    lifecycle_1.0.1  tibble_3.1.6     pkgconfig_2.0.3 
#> [13] rlang_1.0.1      cli_3.2.0        DBI_1.1.2        rstudioapi_0.13 
#> [17] parallel_4.1.2   yaml_2.3.5       xfun_0.30        fastmap_1.1.0   
#> [21] stringr_1.4.0    knitr_1.37       generics_0.1.2   vctrs_0.3.8     
#> [25] sass_0.4.0       hms_1.1.1        bit64_4.0.5      tidyselect_1.1.2
#> [29] glue_1.6.2       R6_2.5.1         fansi_1.0.2      vroom_1.5.7     
#> [33] rmarkdown_2.13   bookdown_0.25    purrr_0.3.4      readr_2.1.2     
#> [37] tzdb_0.2.0       magrittr_2.0.2   ellipsis_0.3.2   htmltools_0.5.2 
#> [41] assertthat_0.2.1 utf8_1.2.2       stringi_1.7.6    crayon_1.5.0

In the book, package names are in bold text (e.g., r02pro), and inline codes and functions are formatted in a typewriter font (e.g. 1 + 2, r02pro()). We always add parentheses after a function name (e.g. r02pro()).