It looks to me like your RangesList and RleList are of different lengths --
do you have a simple self-contained example?

Btw, I think you're better off doing this:

viewSums(Views(simple.rle.list, IRanges.list))

But that won't work if you've got incompatible lists.

Michael

On Fri, Jun 10, 2011 at 5:47 AM, Skirmantas Kriaucionis <
skirmantas.kriaucionis@ludwig.ox.ac.uk> wrote:

> Hello,
>
> It used to work half a year ago, but now I get an error message:
>
> > summary<-aggregate(simple.rle.list, IRanges.list, FUN=sum)
> Error in .local(x, ...) : for Ranges 'by', 'length(x) != length(by)'
>
> Basically, I want to sample the Rle vector at specific ranges and get sum
> of the values over the indicated ranges.
>
> Thank you for help,
> Skirmantas K.
>
> Platform: x86_64-pc-linux-gnu (64-bit)
>
> locale:
> [1] LC_CTYPE=en_GB.UTF-8       LC_NUMERIC=C
> [3] LC_TIME=en_GB.UTF-8        LC_COLLATE=en_GB.UTF-8
> [5] LC_MONETARY=C              LC_MESSAGES=en_GB.UTF-8
> [7] LC_PAPER=en_GB.UTF-8       LC_NAME=C
> [9] LC_ADDRESS=C               LC_TELEPHONE=C
> [11] LC_MEASUREMENT=en_GB.UTF-8 LC_IDENTIFICATION=C
>
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base
>
> other attached packages:
> [1] rtracklayer_1.12.0                 RCurl_1.5-0
> [3] bitops_1.0-4.1                     BSgenome.Mmusculus.UCSC.mm9_1.3.17
> [5] biomaRt_2.8.0                      chipseq_1.2.0
> [7] ShortRead_1.10.0                   Rsamtools_1.4.0
> [9] lattice_0.19-26                    BSgenome_1.20.0
> [11] Biostrings_2.20.0                  GenomicRanges_1.4.1
> [13] IRanges_1.10.0
>
> loaded via a namespace (and not attached):
> [1] Biobase_2.12.1 grid_2.13.0    hwriter_1.3    tools_2.13.0   XML_3.2-0
>
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>
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