[R] Cochrane-Orcutt method
Liaw, Andy
andy_liaw at merck.com
Thu Jan 10 17:55:25 CET 2002
John,
I'm simply saying that if I expect the students to do it correctly, that I
ought to expect myself to do it correctly as well. If you don't think this
comment applies to your situation, then by all means ignore what I've said.
Cheers,
Andy
> -----Original Message-----
> From: John Janmaat [mailto:john.janmaat at acadiau.ca]
> Sent: Thursday, January 10, 2002 11:49 AM
> To: Liaw, Andy
> Cc: 'John Janmaat'; r-help at stat.math.ethz.ch
> Subject: Re: [R] Cochrane-Orcutt method
>
>
> "Liaw, Andy" wrote:
> >
> > > I'm teaching an undergraduate econometrics class. ML is
> a little more
> > > than they are up to at this level, and the
> Cochrane-Orcott approach is
> > > an easily understandable itterative procedure. Thus, the
> reason is
> > > historical. I want a canned procedure to be available to
> > > verify results
> > > of the student calculations, rather than running the risk
> that I do it
> > > incorrectly.
> > >
> > > Thanks,
> > >
> > > John.
> >
> > Sorry for saying this, but this is like saying ``I'd like
> to have a canned
> > t-test procedure so I can check that the students do it
> correctly, because
> > I'm afraid I may do it incorrectly''. I hope none of your
> students are
> > subscribed to this list...
> >
> > Andy
>
> I'm confused. I'm human, I may be an instructor, but that
> does not mean
> I don't mess up. From time to time I make calculation errors
> or coding
> errors - even with simple things like t-tests. I want to catch these
> before I incorrectly tell a student that they are wrong. Are you
> asserting that if I make mistakes I should not teach, or are you just
> joking with me?
>
> John.
> --
> ==========================================
> John Janmaat
> Department of Economics
> Acadia University, Wolfville, NS, B0P 1X0
> (902)585-1461
>
> All opinions stated are personal, unless
> otherwise indicated.
>
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