Hi I intend to do splicing index analysis on data generated from MoEx- 1_0-st-v1 chip. For this I have installed annmap package on my system. For some reason the function read.exon( ) is not working and gives an error could not find function. I know it used to work with exonmap but is this function valid for annmap? I have gone through the reference documents available for annmap but could not find anything related to this. What will be the best way to read my CEL files and perform data pre- processing on it before using the SI method? Will appreciate any help regarding this. Thanks. -- output of sessionInfo(): > sessionInfo() R version 3.0.1 (2013-05-16) Platform: x86_64-apple-darwin10.8.0 (64-bit) locale: [1] en_GB.UTF-8/en_GB.UTF-8/en_GB.UTF-8/C/en_GB.UTF-8/en_GB.UTF-8 attached base packages: [1] parallel stats graphics grDevices utils datasets methods base other attached packages: [1] annmap_1.2.1 GenomicRanges_1.12.4 IRanges_1.18.2 BiocGenerics_0.6.0 R.utils_1.25.2 R.oo_1.13.9 [7] R.methodsS3_1.4.4 loaded via a namespace (and not attached): [1] annotate_1.38.0 AnnotationDbi_1.22.6 Biobase_2.20.1 Biostrings_2.28.0 bitops_1.0-5 DBI_0.2-7 [7] digest_0.6.3 genefilter_1.42.0 grid_3.0.1 lattice_0.20-15 RMySQL_0.9-3 Rsamtools_1.12.3 [13] RSQLite_0.11.4 splines_3.0.1 stats4_3.0.1 survival_2.37-4 tools_3.0.1 XML_3.95-0.2 [19] xtable_1.7-1 zlibbioc_1.6.0 -- Sent via the guest posting facility at bioconductor.org.