rkevinburton wrote: > > I am testing 'qr' with an admittedly contrived matrix and I am getting > different results than I am from another package. The matrix that I am > using is: > > x <- matrix(seq(.1, by=.1, length.out=12), 4) > > So the whole test is: > > x <- matrix(seq(.1, by=.1, length.out=12), 4) > qr(x) > >
Which other package? Have a look at the result of qr(x,LAPACK=T). Do svd(x) and you will see that your matrix is ill-conditioned. Similar results if you do rcond(x). Berend -- View this message in context: http://n4.nabble.com/qr-test-tp1558970p1559710.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.