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Sorry Chris
I wasn't sure where you were coming from so I just replied to the issue in
case the misunderstanding was yours. That's the problem with these forums -
the more I have to say the more often I get it wrong. That's not an
admission that I'm wrong about avoiding forward references like the plague
though. I have quite enough ways to screw up my code without including
forward references. From the mail I receive I know I'm not alone.
Roy
----- Original Message -----
From: "chrismontgomery1966" <chrismontgomery1966@xxxxxxxxx>
To: <Metastockusers@xxxxxxxxxxxxxxx>
Sent: Tuesday, November 25, 2003 1:08 PM
Subject: [Metastockusers] Re: More Clayburg - Forward References
> Roy,
>
> Oops, I was talking system development in general, not to the
> specific clayburg discussion in progress.
>
> Yes, forward looking is not good. I am refering to for example, you
> have a signal, ie MA crossover, but instead of acting on that signal
> you delay entry to have a confirmation condition filled to validate
> the first signal. So the correct thing to check for the first
> condition using historical data. Ref( "condition",-3) for example.
> ie the current bar closes above the first signal after a determined
> amount of time.
>
> The advantage being less whipsaws, but disadvantage being delay of
> entry on a valid MA crossover that could have produced a larger
> profit on this specific trade. The delay of entry to prevent whipsaws
> can produce better results than the basic system over time. Whatever
> that basic system is. Less trades taken until a new trend begins sort
> of thing.
>
> I suppose I am suggesting developers shoud experiment with time delay
> to allow for additional condititions being met as enhancements to the
> basic systems provided with metastock and available in most books.
> Instead of this condition, that condition, all being true today.
>
> Chris
> TE user.
>
>
> --- In Metastockusers@xxxxxxxxxxxxxxx, "Roy Larsen" <rlarsen@xxxx>
> wrote:
> > Chris
> >
> > > Very good advice. This is a good way to code a confirmation to
> your
> > > entry signal to prevent whipsaws. Drawback is a delay in entry
> when
> > > you are right...
> >
> > I don't see any such drawback. The same information is always
> available at
> > the hard right edge no matter how you code your formulas. An
> indicator (or
> > expert) using a forward reference will not display up to the hard
> right edge
> > of your chart. The problem with forward references on historical
> data is
> > that MetaStock allows access to data beyond what should it should
> regard as
> > the hard right edge. The System Tester (not sure about 8.01) also
> allows
> > access to future data but the Explorer will not. As soon as you put
> a
> > forward reference into your exploration you'll get N/A results.
> >
> > Roy
>
>
>
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>
>
>
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>
>
>
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