Displaying 2 results from an estimated 2 matches for "printlevel".
2011 Nov 16
1
"Non-finite finite-difference value" error in eha's aftreg
Hi list!
I'm getting an error message when trying to fit an accelerated failure
time parametric model using the aftreg() function from package eha:
> Error in optim(beta, Fmin, method = "BFGS", control = list(trace =
> as.integer(printlevel)), :
> non-finite finite-difference value [2]
This only happens when adding four specific covariates at the same time
in the model (see below). I understand that kind of problem can come
from a too high correlations between my covariates, but is there
anything I can do to avoid it? Does somet...
2011 Nov 17
0
Non-finite finite-difference value" error in eha's, aftreg
...;
> Hi list!
>
>
> I'm getting an error message when trying to fit an accelerated failure
> time parametric model using the aftreg() function from package eha:
>> > Error in optim(beta, Fmin, method = "BFGS", control = list(trace =
>> > as.integer(printlevel)), :
>> > non-finite finite-difference value [2]
> This only happens when adding four specific covariates at the same time
> in the model (see below). I understand that kind of problem can come
> from a too high correlations between my covariates, but is there
> anything I ca...