本书编译环境

按照惯例，感谢yihui大佬，以及他的 knitr (Xie 2015) 和 bookdown (Xie 2019)。以下为本书的 R 进程信息：

sessionInfo()

## R version 3.6.0 (2019-04-26)
## Platform: x86_64-w64-mingw32/x64 (64-bit)
## Running under: Windows 10 x64 (build 10586)
## 
## Matrix products: default
## 
## locale:
## [1] LC_COLLATE=Chinese (Simplified)_China.936 
## [2] LC_CTYPE=Chinese (Simplified)_China.936   
## [3] LC_MONETARY=Chinese (Simplified)_China.936
## [4] LC_NUMERIC=C                              
## [5] LC_TIME=Chinese (Simplified)_China.936    
## 
## attached base packages:
## [1] stats     graphics  grDevices utils     datasets 
## [6] methods   base     
## 
## loaded via a namespace (and not attached):
##  [1] compiler_3.6.0  magrittr_1.5    bookdown_0.12  
##  [4] tools_3.6.0     htmltools_0.3.6 rstudioapi_0.10
##  [7] yaml_2.2.0      Rcpp_1.0.2      stringi_1.4.3  
## [10] rmarkdown_1.14  knitr_1.24      stringr_1.4.0  
## [13] xfun_0.8        digest_0.6.20   evaluate_0.14

参考文献

Xie, Yihui. 2015. Dynamic Documents with R and Knitr. 2nd ed. Boca Raton, Florida: Chapman; Hall/CRC. http://yihui.name/knitr/.

Xie, Yihui. 2019. Bookdown: Authoring Books and Technical Documents with R Markdown. https://CRAN.R-project.org/package=bookdown.