[Bioc-devel] inconsistent results from applyPileups and pileLettersAt
Jesper Gådin
jesper.gadin at gmail.com
Fri May 27 19:10:12 CEST 2016
I am developing packages(if that is of importance), and hoped the thread
could develop into discussions about how to improve the functions
addressed. But can admit that I was not sure where to post this one, as it
definitely is of general concern as well.
Anyway, if anyone found this interesting, here is the post on the support
site :)
https://support.bioconductor.org/p/83141/
On Fri, May 27, 2016 at 5:31 PM, James W. MacDonald <jmacdon at uw.edu> wrote:
> The Bioc-devel list is intended for people who are developing packages.
> Your question should be posted on the bioconductor support site,
> https://support.bioconductor.org.
>
> Jim
>
>
>
> On Fri, May 27, 2016 at 11:05 AM, Jesper Gådin <jesper.gadin at gmail.com>
> wrote:
>
>> Hello everyone,
>>
>> I find inconsistent results from applyPileups and pileLettersAt. I have a
>> placed a full example on github, so you can try the code with data that
>> will reproduce what I am suspecting is a "bug".
>>
>> #Repo with reproducible example
>> https://github.com/pappewaio/ExampleData
>>
>> #Here a short summary of what is happening
>> One version requires the user to use readGAlignments first and then use
>> pileLettersAt, here I can read in 450 reads into R, but after using
>> pileLettersAt I am left with only 413 counts. What could possibly explain
>> this difference? Is it because some reads are spanning the position I am
>> piling letters at, but not having any sequence information for the
>> position?
>>
>> The second version uses applyPileups and summarize straight from the bam
>> file, and here I would expect to have at least the 413 counts found by
>> pileLettersAt. But instead I can only find 385 counts. Why is it so?
>>
>> Until now I have been using version one to get allele counts. But version
>> two is very much faster, so would be very nice to be able to switch to it,
>> without losing counts.
>>
>> looking forward to hearing your thoughts,
>> Jesper
>>
>> [[alternative HTML version deleted]]
>>
>> _______________________________________________
>> Bioc-devel at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/bioc-devel
>>
>
>
>
> --
> James W. MacDonald, M.S.
> Biostatistician
> University of Washington
> Environmental and Occupational Health Sciences
> 4225 Roosevelt Way NE, # 100
> Seattle WA 98105-6099
>
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