Re: [aroma.affymetrix] Re: CalMaTe model fitting error

2018-09-13 Thread Henrik Bengtsson
Hi. This is a hard-to-troubleshoot problem. This could be due to one or more arrays having weak/noisy signals, or possibly even being corrupt. As a first small step, I've created feature request https://github.com/HenrikBengtsson/calmate/issues/7. When that is in place, one can narrow down the p

[aroma.affymetrix] Re: CalMaTe model fitting error

2018-09-13 Thread thomas . grombacher
I forgot the traceback: traceback() 11: stop("singular matrix 'a' in solve") 10: qr.solve(t(TR) * wgths^2, t(Genotypes) * wgths^2) 9: fitCalMaTeMedians(dataInit, references = references, fB1 = fB1, fB2 = fB2) 8: fitFcn(Cjj, references = references, ...) 7: calmateByThetaAB.array(theta, ref