Philippe -- Biobase is using 'numeric_version', which is available only in a version of R later than the one you are using. Update R. Martin phguardiol at aol.com writes: > Dear BioC users, > > I have recently downloaded the dev version of affy and gcrma libraries (cf infra), as well as the dev metadata I need (cf infra) and when I launch a justGCRMA operation it gives me the error message below that I dont know how to interpret/use/correct. > > Any help will be greatly appreciated. > > Philippe G > > I m using R 2.6 under dev 2007-07-09 r42161 > on a windows XPpro PC > and the following packages: affy 1.15.9, affyio 1.5.11, biobase1.15.36, gcrma2.9.1, matchprobes1.9.10, preprocessore 0.99.21, hgu133plus2probe1.17.0, hgu133plus2cdf 1.17.0, hgu133plus2.db. 1.99.3? > >> library(affy) > Loading required package: Biobase > Loading required package: tools > > Welcome to Bioconductor > > ? Vignettes contain introductory material. To view, type > ? 'openVignette()'. To cite Bioconductor, see > ? 'citation("Biobase")' and for packages 'citation(pkgname)'. > > Loading required package: affyio > Loading required package: preprocessCore >> library(gcrma) > Loading required package: matchprobes > Loading required package: splines >> data1<-justGCRMA() > Computing affinitiesError in .as.numeric_version(e1) : > ? could not find function "numeric_version" > Error in pmindex(new("AffyBatch", cdfName = cdfname)) : > ? error in evaluating the argument 'object' in selecting a method for function 'pmindex' > > [[alternative HTML version deleted]] > > _______________________________________________ > Bioconductor mailing list > Bioconductor at stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/bioconductor > Search the archives: http://news.gmane.org/gmane.science.biology.informatics.conductor -- Martin Morgan Bioconductor / Computational Biology http://bioconductor.org