[BioC] error in DEXSeq fitDispersionFunction()
Odhams, Christopher
chris.odhams at kcl.ac.uk
Mon Feb 10 14:47:28 CET 2014
Hi there,
Has the original issue now been fixed?
e.g:
exon.counts <- fitDispersionFunction(exon.counts)
Error in if (sum(log(coefs/oldcoefs)^2) < 0.005) break :
missing value where TRUE/FALSE needed
In addition: Warning messages:
1: In glmgam.fit(mm, disps[good], start = coefs) :
Too much damping - convergence tolerance not achievable
2: In log(coefs/oldcoefs) : NaNs produced
I'm using R 3.0.1
x86_64-pc-linux-gnu (64-bit)
DEXSEQ_1.8.0
I've attached the csv of my test and controls.
The dispersion function works when I change the control / test samples to 50/50%. Now I have ~25 tests and ~150 controls and I see the above error.
Thanks in advance.
Chris?
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