Re: [EquisMetaStock Group] HHV(close,n)

[kut2k2 <no_reply@xxxxxxxxxxxxxxx>]

Thanks, Roy! :-)

--- In equismetastock@xxxxxxxxxxxxxxx, "Roy Larsen" <rlarsen@xxxx>
wrote:
> kut2k2
> 
> LastValue(A) is brilliant for applying the current (last) value of 
"A" as a
> constant to any function. What it will not do is apply the value of 
"A" 100
> bars ago to any required function also 100 bars ago. When back 
testing and
> wishing to use a changing value as a constant then the code I 
suggested will
> oblige in some situations.
> 
> You only need to look at the two outputs ("B" and "D") from the 
following
> simple example to see that there is a vast difference between the 
two
> signals created.  I think you'll find that the only bar where the 
signals
> are identical is the last bar. Where and when you might use one or 
the other
> is entirely up to you, but before you can do that you must 
understand why
> there is a difference. I don't mean why the code works the way it 
does but
> how it can be used knowing that it works the way it does.
> 
> A:=CMO(C,9);
> A:=LastValue(A-PREV+PREV);
> D:=LastValue(A);
> B; D;
> 
> Roy
> 
> ----- Original Message ----- 
> From: "kut2k2" <no_reply@xxxxxxxxxxxxxxx>
> To: <equismetastock@xxxxxxxxxxxxxxx>
> Sent: Monday, April 28, 2003 6:21 PM
> Subject: Re: [EquisMetaStock Group] HHV(close,n)
> 
> 
> > --- In equismetastock@xxxxxxxxxxxxxxx, "Roy Larsen" <rlarsen@xxxx>
> > wrote:
> > > Try this. It works with some functions and not others.
> > >
> > > A:=Int(Abs(CMO(C,9))/10)+1;
> > > B:=LastValue(A-PREV+PREV);
> > > D:=LastValue(A);
> A; D;
> > >
> > > Roy
> >
> > Hi,
> >
> > I've seen this before and I'm puzzled. Why is it necessary to add 
and
> > subtract PREV when LastValue(A) seems to work well all by itself?
> > Thanks.
> > kut2k2
> >
> > >
> > > ----- Original Message -----
> > > From: "ihh3" <no_reply@xxxxxxxxxxxxxxx>
> > > To: <equismetastock@xxxxxxxxxxxxxxx>
> > > Sent: Tuesday, October 08, 2002 9:35 PM
> > > Subject: [EquisMetaStock Group] HHV(close,n)
> > >
> > >
> > > > N:=Input("A",1,10,5);
> > > > A:=Abs(CMO(C,9))/10;
> > > > {   N:=A; ??? }
> > > > HHV(C,N);
> > > > {This variable or expression must contain only constant data}
> > > >
> > > > the hhv(c,opt1);              is permitted.
> > > > the hhv(c,input("a",1,10,5)); is permitted.
> > > > but hhv(c,abs(cmo(c,9))/10); in not.
> > > >
> > > > anyone know how to have a multi-period HHV?
> >


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