[R] Error in loading the drc package

li li hannah.hlx at gmail.com
Tue Dec 8 20:32:06 CET 2015


Hi all,
  When trying to load the drc package. I got the following error. Any
suggestions?
  Thanks.
     Hanna


> install.packages("drc", dependencies=TRUE)
--- Please select a CRAN mirror for use in this session ---
trying URL 'https://cran.fhcrc.org/bin/windows/contrib/3.1/drc_2.5-12.zip'
Content type 'application/zip' length 502776 bytes (490 Kb)
opened URL
downloaded 490 Kb
package ‘drc’ successfully unpacked and MD5 sums checked
The downloaded binary packages are in
        C:\Users\Temp\Rtmpysroid\downloaded_packages

> library(drc)
Error in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck
= vI[[j]]) :
  namespace ‘Matrix’ 1.1-3 is already loaded, but >= 1.1.5 is required
In addition: Warning message:
package ‘drc’ was built under R version 3.1.3
Error: package or namespace load failed for ‘drc’
>

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