I am not able to install caTools. Have tried reintalling R and RStudio.
Following is the error:
> install.packages('caTools')
Warning in install.packages :
unable to access index for repository https://cran.rstudio.com/src/contrib:
cannot open URL 'https://cran.rstudio.com/src/contrib/PACKAGES'
Installing package into ‘C:/Users/SUMIT/Documents/R/win-library/4.0’
(as ‘lib’ is unspecified)
Warning in install.packages :
unable to access index for repository https://cran.rstudio.com/src/contrib:
cannot open URL 'https://cran.rstudio.com/src/contrib/PACKAGES'
Warning in install.packages :
package ‘caTools’ is not available for this version of R
A version of this package for your version of R might be available elsewhere,
see the ideas at
https://cran.r-project.org/doc/manuals/r-patched/R-admin.html#Installing-packages
Warning in install.packages :
unable to access index for repository https://cran.rstudio.com/bin/windows/contrib/4.0:
cannot open URL 'https://cran.rstudio.com/bin/windows/contrib/4.0/PACKAGES'
>
Following is the session info
> sessionInfo()
R version 4.0.3 (2020-10-10)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 7 x64 (build 7601) Service Pack 1
Matrix products: default
locale:
[1] LC_COLLATE=English_India.1252 LC_CTYPE=English_India.1252
[3] LC_MONETARY=English_India.1252 LC_NUMERIC=C
[5] LC_TIME=English_India.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
loaded via a namespace (and not attached):
[1] compiler_4.0.3 tools_4.0.3
>
The result of getOption("repos"):
> getOption("repos")
CRAN
"https://cran.rstudio.com/"
attr(,"RStudio")
[1] TRUE
>
Have installed RTools manually. The result of Sys.which("make"):
> Sys.which("make")
make
"C:\\rtools40\\usr\\bin\\make.exe"
>
Please advise how to install caTools