Re: [R] glm fitting routine and convergence

2012-11-06 Thread David Winsemius
On Nov 6, 2012, at 1:44 PM, Christopher A. Simon wrote: > What kind of special magic does glm have? > > I'm working on a logistic regression solver (L-BFGS) in c and I've been > using glm to check my results. I came across a data set that has a very > high condition number (the data matrix tran

[R] glm fitting routine and convergence

2012-11-06 Thread Christopher A. Simon
What kind of special magic does glm have? I'm working on a logistic regression solver (L-BFGS) in c and I've been using glm to check my results. I came across a data set that has a very high condition number (the data matrix transpose the data matrix) that when running my solver does not converge