Re: [R] Optimisation and NaN Errors using clm() and clmm()

2013-04-20 Thread Rune Haubo
On 18 April 2013 18:38, Thomas Foxley thomasfox...@aol.com wrote: Rune, Thank you very much for your response. I don't actually have the models that failed to converge from the first (glmulti) part as they were not saved with the confidence set. glmulti generates thousands of models so it

Re: [R] Optimisation and NaN Errors using clm() and clmm()

2013-04-18 Thread Thomas Foxley
Rune, Thank you very much for your response. I don't actually have the models that failed to converge from the first (glmulti) part as they were not saved with the confidence set. glmulti generates thousands of models so it seems reasonable that a few of these may not converge. The clmm()

Re: [R] Optimisation and NaN Errors using clm() and clmm()

2013-04-16 Thread Rune Haubo
On 15 April 2013 13:18, Thomas thomasfox...@aol.com wrote: Dear List, I am using both the clm() and clmm() functions from the R package 'ordinal'. I am fitting an ordinal dependent variable with 5 categories to 9 continuous predictors, all of which have been normalised (mean subtracted

[R] Optimisation and NaN Errors using clm() and clmm()

2013-04-15 Thread Thomas
Dear List, I am using both the clm() and clmm() functions from the R package 'ordinal'. I am fitting an ordinal dependent variable with 5 categories to 9 continuous predictors, all of which have been normalised (mean subtracted then divided by standard deviation), using a probit link