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’ > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.