Re: more on !F and giv()
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: more on !F and giv()




Dear Ian,
Indeed it should work.

If you have a simple example that doesn't work, I'm happy to check it out
in case I can find a bug.  It could be that the combination fails
but if so, I want to fix it.
Arthur

> From: Ian White <imsw@holyrood.ed.ac.uk>
> To: gilmoua@agric.nsw.gov.au
> Subject: asreml (more on !F)
> 
> Dear Arthur,
> 
> Suppose I want to associate a G-inverse matrix with a set of covariates
> Z1...Zn. I thought that one way to do this would be to read them
> into the program as a 'factor' ZFAC:
> 
> ZFAC n !F
> 
> Then I could have Y ~ ... !r giv(ZFAC) ... to associate an n x n matrix
> in zfac.giv say with the covariates. Should this work? I have tried it
> with some simple examples, sometimes it seems to work, other times it
> doesn't --  giving zero blups for the giv(ZFAC) terms.
> 
> Regards,
> Ian
> 
> 
> ************************************************
> *    I.White                                   *
> *    ICAPB, University of Edinburgh            *
> *    Ashworth Laboratories, West Mains Road    *
> *    Edinburgh EH9 3JT                         *
> *    Fax: 0131 667 3210   Tel: 0131 650 5490   *
> *    E-mail: i.m.s.white@ed.ac.uk              *
> ************************************************
>