Hi, I'm working with .cel-files and after applying RankMerging function I loose my sample names. >eset <- justRMA(filenames = list.celfiles(path=celpath, full.names=TRUE)) >MergingSet <- RankMerging(eset ,"Spearman",weighted=TRUE) > eset ExpressionSet (storageMode: lockedEnvironment) assayData: 22277 features, 3 samples element names: exprs, se.exprs protocolData sampleNames: chrysin.cel luteolin.cel thiostrepton.cel varLabels: ScanDate varMetadata: labelDescription phenoData sampleNames: chrysin.cel luteolin.cel thiostrepton.cel varLabels: sample varMetadata: labelDescription featureData: none experimentData: use 'experimentData(object)' Annotation: hthgu133a > MergingSet ExpressionSet (storageMode: lockedEnvironment) assayData: 22277 features, 3 samples element names: exprs protocolData: none phenoData sampleNames: 1 2 3 varLabels: sample varMetadata: labelDescription featureData: none experimentData: use 'experimentData(object)' Annotation: Please, could you help me? -- output of sessionInfo(): > sessionInfo() R version 3.1.1 (2014-07-10) Platform: x86_64-w64-mingw32/x64 (64-bit) locale: [1] LC_COLLATE=Russian_Russia.1251 LC_CTYPE=Russian_Russia.1251 [3] LC_MONETARY=Russian_Russia.1251 LC_NUMERIC=C [5] LC_TIME=Russian_Russia.1251 attached base packages: [1] parallel stats graphics grDevices utils datasets methods [8] base other attached packages: [1] apcluster_1.3.5 GeneExpressionSignature_1.10.0 [3] PGSEA_1.38.0 annaffy_1.36.0 [5] KEGG.db_2.14.0 GO.db_2.14.0 [7] RSQLite_0.11.4 DBI_0.2-7 [9] AnnotationDbi_1.26.0 GenomeInfoDb_1.0.2 [11] hthgu133acdf_2.14.0 affy_1.42.3 [13] Biobase_2.24.0 BiocGenerics_0.10.0 loaded via a namespace (and not attached): [1] affyio_1.32.0 BiocInstaller_1.14.2 IRanges_1.22.9 [4] preprocessCore_1.26.1 Rcpp_0.11.2 stats4_3.1.1 [7] tools_3.1.1 zlibbioc_1.10.0 -- Sent via the guest posting facility at bioconductor.org.