[R] fgev_error_matrix_singular

Uwe Ligges ligges at statistik.tu-dortmund.de
Sun Jan 16 15:10:41 CET 2011

See ?try in order to get the automated process going and for ignoring or 
separately post-processing stuff where the method does not work.

Uwe Ligges

On 15.01.2011 21:48, Jinrui Xu wrote:
> Hello everyone,
> I am using fgev from evd package to fitting my data with general extreme
> value distribution. The command I used is simple: y <- fgev(x).
> The error is "observed information matrix is singular;" How can I solve
> these problem. I tried all methods in optim and it did not work. I fixed
> values for scale, location and shape. This works, but I have lots of
> different dataset to fit, so is there any automatic ways to solve the
> error? Thanks!
> jinrui,
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