8.6 运行环境

xfun::session_info()
## R version 4.2.3 (2023-03-15)
## Platform: x86_64-pc-linux-gnu (64-bit)
## Running under: Ubuntu 22.04.2 LTS
## 
## Locale:
##   LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C              
##   LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8    
##   LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8   
##   LC_PAPER=en_US.UTF-8       LC_NAME=C                 
##   LC_ADDRESS=C               LC_TELEPHONE=C            
##   LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C       
## 
## Package version:
##   base64enc_0.1.3   bookdown_0.34     bslib_0.4.2       cachem_1.0.8     
##   cli_3.6.1         compiler_4.2.3    curl_5.0.0        digest_0.6.31    
##   ellipsis_0.3.2    evaluate_0.21     fastmap_1.1.1     fontawesome_0.5.1
##   fs_1.6.2          glue_1.6.2        graphics_4.2.3    grDevices_4.2.3  
##   highr_0.10        htmltools_0.5.5   jquerylib_0.1.4   jsonlite_1.8.4   
##   knitr_1.42        lifecycle_1.0.3   magrittr_2.0.3    memoise_2.0.1    
##   methods_4.2.3     mime_0.12         R6_2.5.1          rappdirs_0.3.3   
##   rlang_1.1.1       rmarkdown_2.21    sass_0.4.6        stats_4.2.3      
##   stringi_1.7.12    stringr_1.5.0     sysfonts_0.8.8    tinytex_0.45     
##   tools_4.2.3       utils_4.2.3       vctrs_0.6.2       xfun_0.39        
##   yaml_2.3.7

create-an-empty-data-frame pipe-r