Good Morning R-Help Community: I cannot install the "Matrix" package on R (version 2.12.1). Here are the errors:
> > Library(Matrix) > > Error in length(label) : could not find function ".extendsForS3" > Error: package/namespace load failed for 'Matrix' > Any help would be appreciated. Thanks, Yingfeng [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list 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.