On Fri, 1 Feb 2008, Riccardo (Jack) Lucchetti wrote:
> 2) in system estimation, the matrix accessors are a bit
> different. There is an extra line & column in $vcv and $coeff
> but I do not remember what it is exactly althrough it seems to
> be related to ML ?
I don't remember, I'd have to look at the source (unlikely
before Monday). Allin, maybe you remember?
It's related to the extra coefficient needed to test the
restriction; I forgot to trim that off before storing $coeff and
$vcv, for the case of an LR test. That's now fixed in CVS.
Allin.