I have tried installing the package (ROCR) with this command:
Install.packages(ROCR) And with this command on the command line R CMD INSTALL ROCR_1.0-4.tar.gz But both times I get exactly the same error shown below, I don't understand what is wrong, is this an error in the package code? Thank you Philip probinson@bioinform08:/tmp/RtmpO0rFbx/downloaded_packages$ R CMD INSTALL ROCR_1.0-4.tar.gz * installing to library '/home/probinson/R/x86_64-pc-linux-gnu-library/2.10' * installing *source* package 'ROCR' ... ** R ** data ** demo ** preparing package for lazy loading Loading required package: gtools Loading required package: gdata gdata: read.xls support for 'XLS' (Excel 97-2004) files ENABLED. gdata: read.xls support for 'XLSX' (Excel 2007+) files ENABLED. Attaching package: 'gdata' The following object(s) are masked from package:utils : object.size Loading required package: caTools Loading required package: bitops Loading required package: grid Loading required package: KernSmooth KernSmooth 2.23 loaded Copyright M. P. Wand 1997-2009 Attaching package: 'gplots' The following object(s) are masked from package:stats : lowess Error in setMethod("plot", signature(x = "performance", y = "missing"), : no existing definition for function "plot" Error : unable to load R code in package 'ROCR' ERROR: lazy loading failed for package 'ROCR' * removing '/home/probinson/R/x86_64-pc-linux-gnu-library/2.10/ROCR' probinson@bioinform08:/tmp/RtmpO0rFbx/downloaded_packages$ [[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.