Hi, I am getting this strange error, although the command seems to be executed properly, because the data are being plotted anyway: > zoomGenome(SegInfo.Hom.merged, array = 1) Error in segments(y0 = current$M.predicted[breakpoints[-length (breakpoints)], : invalid first argument > > sessionInfo() R version 2.7.1 (2008-06-23) powerpc-apple-darwin8.10.1 locale: C attached base packages: [1] splines grid tools stats graphics grDevices utils [8] datasets methods base other attached packages: [1] tilingArray_1.18.0 snapCGH_1.8.0 aCGH_1.14.0 [4] sma_0.5.15 multtest_1.20.0 cluster_1.11.11 [7] GLAD_1.16.0 DNAcopy_1.14.0 pixmap_0.4-9 [10] geneplotter_1.18.0 annotate_1.18.0 xtable_1.5-2 [13] AnnotationDbi_1.2.2 RSQLite_0.6-9 DBI_0.2-4 [16] genefilter_1.20.0 survival_2.34-1 vsn_3.6.0 [19] lattice_0.17-8 strucchange_1.3-4 sandwich_2.1-0 [22] zoo_1.5-4 RColorBrewer_1.0-2 affy_1.18.2 [25] preprocessCore_1.2.1 affyio_1.8.1 Biobase_2.0.1 [28] limma_2.14.5 loaded via a namespace (and not attached): [1] KernSmooth_2.22-22 > Thank you for any suggestions, Radek Blatny Radek Blatny, MSc. Institute of Molecular Genetics Department of Mouse Molecular Genetics (Jiri Forejt unit) Czech Academy of Sciences Videnska 1083 142 20, Prague Czech Republic Tel. (+420) 241 062 260 Fax (+420) 241 062 154 http://www.img.cas.cz/mmg email: blatny at img.cas.cz Skype name: blatny ? Myslete na p??rodu... Skute?n? pot?ebujete vytisknout tento e- mail? ? Think about the nature... Do you really need to print out the email?