Building Environment
The R session information when compiling this book is shown below.
sessionInfo()
#> R version 4.5.3 (2026-03-11)
#> Platform: x86_64-pc-linux-gnu
#> Running under: Ubuntu 24.04.3 LTS
#>
#> Matrix products: default
#> BLAS: /usr/lib/x86_64-linux-gnu/openblas-pthread/libblas.so.3
#> LAPACK: /usr/lib/x86_64-linux-gnu/openblas-pthread/libopenblasp-r0.3.26.so; LAPACK version 3.12.0
#>
#> locale:
#> [1] LC_CTYPE=C.UTF-8 LC_NUMERIC=C LC_TIME=C.UTF-8
#> [4] LC_COLLATE=C.UTF-8 LC_MONETARY=C.UTF-8 LC_MESSAGES=C.UTF-8
#> [7] LC_PAPER=C.UTF-8 LC_NAME=C LC_ADDRESS=C
#> [10] LC_TELEPHONE=C LC_MEASUREMENT=C.UTF-8 LC_IDENTIFICATION=C
#>
#> time zone: UTC
#> tzcode source: system (glibc)
#>
#> attached base packages:
#> [1] stats graphics grDevices utils datasets methods base
#>
#> other attached packages:
#> [1] dplyr_1.2.0
#>
#> loaded via a namespace (and not attached):
#> [1] crayon_1.5.3 vctrs_0.7.1 cli_3.6.5 knitr_1.51
#> [5] rlang_1.1.7 xfun_0.56 otel_0.2.0 generics_0.1.4
#> [9] jsonlite_2.0.0 bit_4.6.0 glue_1.8.0 htmltools_0.5.9
#> [13] sass_0.4.10 hms_1.1.4 rmarkdown_2.30 evaluate_1.0.5
#> [17] jquerylib_0.1.4 tibble_3.3.1 tzdb_0.5.0 fastmap_1.2.0
#> [21] yaml_2.3.12 lifecycle_1.0.5 bookdown_0.46 compiler_4.5.3
#> [25] pkgconfig_2.0.3 rstudioapi_0.18.0 digest_0.6.39 R6_2.6.1
#> [29] readr_2.2.0 tidyselect_1.2.1 parallel_4.5.3 vroom_1.7.0
#> [33] pillar_1.11.1 magrittr_2.0.4 bslib_0.10.0 bit64_4.6.0-1
#> [37] tools_4.5.3 cachem_1.1.0In 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()).