Dear Dave,
The cholesky factor is Lower triangle.
The resulting Z matrix is printed in the .res file.
If you are predicting spline curves, some new qualifiers (PVALS)
enable you to get an expanded design matrix: this
is then used in the new Predict directive.
Arthur
>
>
>
> I am trying to get my own fitted splines using the solution vector. I note
> (manual p. 11) that the curvature vector is transformed by a Cholesky factor
of
> the G matrix. Is this factor lower or upper triangular?
>
>
> ___________________________________________________________________________
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Arthur Gilmour PhD mailto:Arthur.Gilmour@agric.nsw.gov.au
Principal Research Scientist (Biometrics) fax: <61> 2 6391 3899
NSW Agriculture <61> 2 6391 3922
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Until July 2001, I will be mainly building a house at Cargo.
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