Re: Model overfitting in ASREML-R manual?

Thanks, that fixed the problem for me.

Kevin

On Jan 7, 2008 5:52 PM, Butler, David <David.Butler_at_dpi.qld.gov.au> wrote:
> Kevin,
>
> This is a typo in the manual - the model should also include 'season' in
> the fixed effects, ie
>
> m6 <- asreml(circ ~ x + season,
> random = .............)
>
> With 'season' included the job runs to completion; presumably the
> initial estimates for the us() model are inappropriate with 'season'
> omitted.
>
> I'll update the manual.
>
> Dave.
>
>
> -----Original Message-----
> From: ASReml users discussion group [mailto:ASREML-L_at_AGRIC.NSW.GOV.AU]
> On Behalf Of Kevin Wright
> Sent: Saturday, 5 January 2008 6:14 AM
> To: ASREML-L_at_AGRIC.NSW.GOV.AU
> Subject: Model overfitting in ASREML-R manual?
>
>
> In the ASREML-R manual, version 2, page 120, is the following model:
>
> m6 <- asreml(circ ~ x,
> random = ~ us(link(~1+x), init=c(5,-0.01,0.0001)):Tree +
> spl(x) + spl(x):Tree,
> splinepoints = list(x =
> c(118,484,664,1004,1231,1372,1582)),
> data = orange)
>
>
> When I try to execute this, I get the following:
>
> Equations: 42 (2 dense)
> Initial update shrinkage factor: 0.316
> LogLik S2 DF
>
> -113.9692 56.5670 33 14:10:07 (3 component(s) constrained)
> Warning: 2 1 NonPosDef US matrix modified ABORT Fault 2130 No residual
> variation Finished on: Fri Jan 04 14:10:07 2008
>
> Error: Abnormal termination
> No residual variation
>
>
> Can anyone confirm this error?
> I hypothesize there has been a change in the dynamic linked code since
> the manual was created.
>
> My setup: Windows XP
> asreml(): 2.00 Library: 2.00bi Run: Fri Jan 04 14:10:07 2008
>
> Thanks,
>
> K Wright
>
> ********************************DISCLAIMER****************************
> The information contained in the above e-mail message or messages
> (which includes any attachments) is confidential and may be legally
> privileged. It is intended only for the use of the person or entity
> to which it is addressed. If you are not the addressee any form of
> disclosure, copying, modification, distribution or any action taken
> or omitted in reliance on the information is unauthori
> eflect the opinions
> of the Queensland Government and its authorities. If you received
> this communication in error, please notify the sender immediately and
> delete it from your computer system network.
>
Received on Fri Jan 08 2008 - 09:33:31 EST