[R] gam() question

Simon Wood s.wood at bath.ac.uk
Wed Nov 15 11:18:47 CET 2006

> Hi everyone,
> I am fitting a bivariate smoothing model by using gam.
> But I got an error message like this:
> "Error in eigen(hess1, symmetric = TRUE) : 0 x 0 matrix"
- this is a known problem in mgcv 1.3-20 (an optimizer fails to cope with  
convergence in one step).  It's fixed in 1.3-21, which I'll try and get 
uploaded to CRAN today.


> Simon Wood, Mathematical Sciences, University of Bath, Bath, BA2 7AY UK
> +44 1225 386603  www.maths.bath.ac.uk/~sw283

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