Chapter8 R session information and packages used

sessionInfo()
## R version 4.1.2 (2021-11-01)
## Platform: x86_64-w64-mingw32/x64 (64-bit)
## Running under: Windows 10 x64 (build 19043)
## 
## Matrix products: default
## 
## locale:
## [1] LC_COLLATE=English_United States.1252 
## [2] LC_CTYPE=English_United States.1252   
## [3] LC_MONETARY=English_United States.1252
## [4] LC_NUMERIC=C                          
## [5] LC_TIME=English_United States.1252    
## 
## attached base packages:
## [1] stats     graphics  grDevices utils     datasets  methods   base     
## 
## other attached packages:
## [1] knitr_1.39
## 
## loaded via a namespace (and not attached):
##  [1] bookdown_0.27    codetools_0.2-18 digest_0.6.29    R6_2.5.1        
##  [5] jsonlite_1.8.0   magrittr_2.0.3   evaluate_0.15    highr_0.9       
##  [9] stringi_1.7.6    rlang_1.0.2      cli_3.3.0        rstudioapi_0.13 
## [13] jquerylib_0.1.4  bslib_0.3.1      rmarkdown_2.14   tools_4.1.2     
## [17] stringr_1.4.0    xfun_0.29        yaml_2.3.5       fastmap_1.1.0   
## [21] compiler_4.1.2   htmltools_0.5.2  sass_0.4.1