[R] Installing an Archived Package

[Evguenia Ignatova]

Hello,

I am having difficulty installing the most recent compatible version of the “polycor" package (0.7-8), for R 3.2.1 on my Mac. Here is the package source page: https://cran.r-project.org/src/contrib/Archive/polycor/ <https://cran.r-project.org/src/contrib/Archive/polycor/>.

This version of R is necessary for the R Essentials for the IBM Statistical Package for Social Sciences (SPSS) extension. I found this thread on the problem (http://r.789695.n4.nabble.com/Installing-polycor-package-td4726101.html <http://r.789695.n4.nabble.com/Installing-polycor-package-td4726101.html>) but it does not offer much help as my SPSS version will not recognize the most recent versions of R. 

The polycor package is not available in the repository of R 3.2.1. Here is the code I tried to install the package from the archive and the errors I received:

> install.packages("/polycor_0.7-8.tar", repos=NULL, type="source")
Warning: invalid package ‘/polycor_0.7-8.tar’
Error: ERROR: no packages specified
Warning message:
In install.packages("/polycor_0.7-8.tar", repos = NULL, type = "source") :
  installation of package ‘/polycor_0.7-8.tar’ had non-zero exit status
> install.packages("https://cran.r-project.org/src/contrib/Archive/polycor/polycor_0.7-8.tar.gz", repos=NULL, type="source")
Error in download.file(p, destfile, method, mode = "wb", ...) : 
  unsupported URL scheme 

Any ideas for other alternatives would be greatly appreciated. Thank you for your time!

Best,
Evguenia
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