[R] Installing polycor package

Kevelson, Marisol J mkevelson at ets.org
Mon Oct 31 16:49:03 CET 2016

I have been trying to install the R polycor package without any success. I want to install version 0.7-8 because it is supposed to work with R version 3.1.0, which I have to use to run an R plug-in for SPSS. But I get a message that polycor is not available for R version 3.1.0:

>  install.packages("polycor", repos="C:/Users/mkevelson/Documents/polycor_0.7-8 (1)/polycor/R")
Installing package into 'C:/Users/mkevelson/Documents/R/win-library/3.1'
(as 'lib' is unspecified)
Warning: unable to access index for repository C:/Users/mkevelson/Documents/polycor_0.7-8 (1)/polycor/R/bin/windows/contrib/3.1
Warning message:
package 'polycor' is not available (for R version 3.1.0)

I also tried installing the current version of polycor directly from R-Forge in R version 3.3.1, also without success:

> install.packages("polycor", repos="http://R-Forge.R-project.org")
Installing package into 'C:/Users/mkevelson/Documents/R/win-library/3.3'
(as 'lib' is unspecified)
also installing the dependency 'mvtnorm'

trying URL 'http://R-Forge.R-project.org/bin/windows/contrib/3.3/mvtnorm_1.0-5.zip'
Content type 'application/zip' length 408362 bytes (398 KB)
downloaded 292 KB

trying URL 'http://R-Forge.R-project.org/bin/windows/contrib/3.3/polycor_0.7-10.zip'
Content type 'application/zip' length 52183 bytes (50 KB)
downloaded 50 KB

Error in read.dcf(file.path(pkgname, "DESCRIPTION"), c("Package", "Type")) :
  cannot open the connection
In addition: Warning messages:
1: In download.file(url, destfile, method, mode = "wb", ...) :
  downloaded length 299008 != reported length 408362
2: In unzip(zipname, exdir = dest) : error 1 in extracting from zip file
3: In read.dcf(file.path(pkgname, "DESCRIPTION"), c("Package", "Type")) :
  cannot open compressed file 'mvtnorm/DESCRIPTION', probable reason 'No such file or directory'

I would greatly appreciate any advice you have on how to successfully install the polycor package.

Thank you,



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