Sys.getlocale()## [1] "en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8"Sys.info()## sysname
## "Darwin"
## release
## "19.3.0"
## version
## "Darwin Kernel Version 19.3.0: Thu Jan 9 20:58:23 PST 2020; root:xnu-6153.81.5~1/RELEASE_X86_64"
## nodename
## "Guo-Bos-MacBook-Pro.local"
## machine
## "x86_64"
## login
## "root"
## user
## "gc5k"
## effective_user
## "gc5k"names(.Platform)## [1] "OS.type" "file.sep" "dynlib.ext" "GUI" "endian"
## [6] "pkgType" "path.sep" "r_arch"getOption("repos")## CRAN
## "https://mirrors.ustc.edu.cn/CRAN/"Sys.getenv("R_LIBS_USER")## [1] "/Library/Frameworks/R.framework/Versions/3.6/Resources/library"Sys.setenv(R_LIBS_USER="/Library/Frameworks/R.framework/Versions/3.6/Resources/library").libPaths()## [1] "/Library/Frameworks/R.framework/Versions/3.6/Resources/library"R.version## _
## platform x86_64-apple-darwin15.6.0
## arch x86_64
## os darwin15.6.0
## system x86_64, darwin15.6.0
## status
## major 3
## minor 6.2
## year 2019
## month 12
## day 12
## svn rev 77560
## language R
## version.string R version 3.6.2 (2019-12-12)
## nickname Dark and Stormy NightR.home()## [1] "/Library/Frameworks/R.framework/Resources"tempdir()## [1] "/var/folders/vv/05ybzm_j1lvglv684n98r6vc0000gn/T//RtmpNmLFyK"#chooseCRANmirror()
CRANList=getCRANmirrors()
head(CRANList)## Name Country City
## 1 0-Cloud [https] 0-Cloud 0-Cloud
## 2 Algeria [https] Algeria Algiers
## 3 Argentina (La Plata) Argentina La Plata
## 4 Australia (Canberra) [https] Australia Canberra
## 5 Australia (Melbourne 1) [https] Australia Melbourne
## 6 Australia (Melbourne 2) [https] Australia Melbourne
## URL
## 1 https://cloud.r-project.org/
## 2 https://cran.usthb.dz/
## 3 http://mirror.fcaglp.unlp.edu.ar/CRAN/
## 4 https://cran.csiro.au/
## 5 https://mirror.aarnet.edu.au/pub/CRAN/
## 6 https://cran.ms.unimelb.edu.au/
## Host
## 1 Automatic redirection to servers worldwide, currently sponsored by Rstudio
## 2 University of Science and Technology Houari Boumediene
## 3 Universidad Nacional de La Plata
## 4 CSIRO
## 5 AARNET
## 6 School of Mathematics and Statistics, University of Melbourne
## Maintainer OK
## 1 winston # stdout.org 1
## 2 Boukala m c <mboukala # usthb.dz> 1
## 3 esuarez # Fcaglp.unlp.edu.ar 1
## 4 ben.tan # csiro.au, Jayesh.joshi # csiro.au, CSIROServiceDesk # csiro.au 1
## 5 <sysadmin # aarnet.edu.au> 1
## 6 unix-ops # lists.unimelb.edu.au 1
## CountryCode Comment
## 1 us secure_mirror_from_master
## 2 dz secure_mirror_from_master
## 3 ar
## 4 au secure_mirror_from_master
## 5 au secure_mirror_from_master
## 6 au secure_mirror_from_master,maintainer_address_bouncesrCRAN <- getOption("repos")
rCRAN["CRAN"] <- "https://mirrors.ustc.edu.cn/CRAN/"
options(repos=rCRAN)cat(normalizePath(c(R.home(), tempdir())), sep = "\n")## /Library/Frameworks/R.framework/Versions/3.6/Resources
## /private/var/folders/vv/05ybzm_j1lvglv684n98r6vc0000gn/T/RtmpNmLFyKsessionInfo()## R version 3.6.2 (2019-12-12)
## Platform: x86_64-apple-darwin15.6.0 (64-bit)
## Running under: macOS Catalina 10.15.3
##
## Matrix products: default
## BLAS: /Library/Frameworks/R.framework/Versions/3.6/Resources/lib/libRblas.0.dylib
## LAPACK: /Library/Frameworks/R.framework/Versions/3.6/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] Rcpp_1.0.3
##
## loaded via a namespace (and not attached):
## [1] compiler_3.6.2 magrittr_1.5 tools_3.6.2 htmltools_0.4.0
## [5] yaml_2.2.1 stringi_1.4.5 rmarkdown_2.1 knitr_1.28
## [9] stringr_1.4.0 xfun_0.12 digest_0.6.24 rlang_0.4.4
## [13] evaluate_0.14A file “~.Rprofile” can be defined as below to set up private setting for R session.
local({
r <- getOption("repos")
r["CRAN"] <- "https://mirrors.ustc.edu.cn/CRAN/"
options(repos=r)
})
Sys.setenv(R_LIBS_USER="/Library/Frameworks/R.framework/Versions/3.6/Resources/library")
tryCatch(startup::startup(), error=function(ex) message(".Rprofile error: ", conditionMessage(ex)))
library(Rcpp)More about the private setting up for R please refer to startup package.