Hi Sunghee,

Did you figure this out? I'm in the same boat.

On Sunday, 21 September 2014 22:19:09 UTC-4, Sunghee Oh wrote:
>
>
>
>
> And one more question:
>
> On the FIRMA scores, what are NA values, though expression levels are not 
> zero?
>
>
> Thanks, 
>
>
> Sunghee
>
>
>
> 2014년 9월 22일 월요일 오전 10시 50분 25초 UTC+9, jjspring OH 님의 말:
>>
>>
>>
>> Hi,
>>
>>
>> I would like to compare the results from plmTr and plmEx, estimation of 
>> overall expression for transcripts and exon-by-exon estimation,
>> but when i tried to run ExonRmaPlm with mergeGroups = T and F, 
>> respectively, i am getting the identical results for following objects 
>> including FIRMA scores based on 29170 rows by samples,
>>  
>>
>>
>> plmTr <- ExonRmaPlm(csN, mergeGroups=TRUE)
>>
>> print(plmTr)
>>
>>
>>
>> plmEx <- ExonRmaPlm(csN, mergeGroups=FALSE)
>>
>> print(plmEx)
>>
>> ...
>>
>>
>>
>> firma <- FirmaModel(plmEx)
>>
>> fit(firma, verbose=verbose)
>>
>> fs <- getFirmaScores(firma)
>>
>> asData <- extractDataFrame(fs, addNames=TRUE)
>>
>>
>> > fs <- getFirmaScores(firma)
>>
>> > asData <- extractDataFrame(fs, addNames=TRUE)
>>
>> > dim(asData)
>>
>> [1] 29170    13
>>
>>
>>
>>
>> Yet, And also, when i ran previously in oligo library, got 213067 probe 
>> indices 
>>
>>
>>
>> library(oligo)
>>
>>
>> celFiles = list.celfiles(
>> '/Users/sungheeoh/Desktop/SUNGHEE/PROJS/KANG/RAW-CELFILES/',full.name =T)
>>
>> raw = read.celfiles(celFiles)
>>
>> exon_rma = rma(raw,target="probeset")  
>> #pre-processing/normalization/log2-scale
>>
>> exon_mat <- exprs(exon_rma)
>>
>> dim(exon_mat)
>>
>> head(exon_mat)
>>
>>
>>
>> > dim(exon_mat)
>>
>> [1] 213067      8
>>
>>
>> My questions,
>>
>>
>> first question is how i can get different sets from transcript and 
>> exon-by-exon from cell files?
>>
>>
>> and also, just curious, how is it mapped from probe sets (213K) onto 
>> transcript/exon level annotation(29K)?  
>>
>>
>> And, major interest is to detect differentially alternative splicings for 
>> each gene? (we are mostly interested in looking at those genes, e.g. 
>> Although a gene is differentially expressed but it is not differentially 
>> expressed in AS or vice versa,) how can i extract these information from 
>> FIRMA scores? 
>>
>>
>>
>> could you pls let me know ?
>>
>>
>> Thanks a lot in advance, 
>>
>>
>> Sunghee
>>
>>
>>
>>
>>

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