Am Freitag, den 10.10.2008, 12:31 +0200 schrieb Søren Hauberg:
> fre, 10 10 2008 kl. 12:20 +0200, skrev Søren Hauberg:
> > > Mhm, my not totally new version of Matlab doesn't match this
> > > description. Can someone with a current version please check what
> > >
> > > mad(1,2,3)
> > > gives?
> >
> > It gives 0. However, it seems matlab actually support three input
> > arguments (from the matlab mad help text):
> >
> > MAD(X,FLAG,DIM) takes the MAD along dimension DIM of X.
> >
> > It doesn't say what FLAG does, so I'm not sure how to treat it. It's
> > worth mentioning that
> >
> > mad (1, 2, 3, 4)
> >
> > gives an error.
>
> Okay, it seems I was just not reading careful enough. If FLAG is zero
> the absolute mean deviation is computed, whereas the absolute median
> deviation is computed if it is one. I think the uploaded version does
> this, but I'd appreciate if anybody would test it.
I think that Matlab's implementation deviates from its documentation:
flag = 0 => mean deviation
flag != 0 => median deviation
Should we allow that, too?
Thomas
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