[BioC] gene level on exon chip?

[Paul Hammer]

hi members,

is there any function or easy way to get the gene level of a human exon 
affymetrix chip? currently i calculate the average of all exonic 
probeset intensities for genes of interest individually.

other question what i have is there any easy way to remove poor 
performing probesets via DABG (detection above background score)?

many thanks and best regards
paul


 > sessionInfo()
R version 2.6.2 (2008-02-08)
x86_64-unknown-linux-gnu

locale:
LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_US.UTF-8;LC_MONETARY=en_US.UTF-8;LC_MESSAGES=en_US.UTF-8;LC_PAPER=en_US.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US.UTF-8;LC_IDENTIFICATION=C

attached base packages:
[1] splines   tools     stats     graphics  grDevices utils     datasets
[8] methods   base

other attached packages:
 [1] exonmap_1.4.3        plier_1.8.0          RMySQL_0.6-0
 [4] DBI_0.2-4            RColorBrewer_1.0-2   simpleaffy_2.14.05
 [7] gcrma_2.10.0         matchprobes_1.10.0   genefilter_1.16.0
[10] survival_2.34        affy_1.16.0          preprocessCore_1.0.0
[13] affyio_1.6.1         Biobase_1.16.3

loaded via a namespace (and not attached):
[1] annotate_1.16.1     AnnotationDbi_1.0.6 rcompgen_0.1-17
[4] RSQLite_0.6-8