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This may be what you are seeking? Not an exact match for the EMA but a
starting point ?
function MN(n)
{
// local result;
result = C ;
for (i=n-1;i<BarCount;i++)
{
result[i] = (n-1)/n*result[i-1] + (1/n)*C[i-n+1] ;
}
return result;
}
Plot(MN(2),"MN(2)", colorBlue);
Plot(EMA(C,2),"MA(2)",colorRed);
Cheers,
Graham
http://e-wire.net.au/~eb_kavan/
-----Original Message-----
From: treliff [mailto:treliff@xxxxxxxxx]
Sent: Friday, March 19, 2004 8:36 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: Looping stuff driving me nuts, please help...
perhaps i should add:
I added the MA(C,2) as a visual check: if the MN code is correct
than
MN(2) = MA(C,2) the plots overlap
and also
MN(3) = MA(C,3)
MN(4) = MA(C,4)
etc.
treliff
--- In amibroker@xxxxxxxxxxxxxxx, "treliff" <treliff@xxxx> wrote:
> Graham, would you mind to give me the full code including the
> subscript operator as you use it?
>
> Herman, my plot shows the blue line completely different from the
> red. If the code is correct then they should overlap.
>
> treliff
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Graham" <gkavanagh@xxxx> wrote:
> > Should it be ?
> >
> > Result[i] = ((i-1)/i)*result[i-1] + (1/i)*Ref(C[i],-(i-1)) ;
> >
> > Cheers,
> > Graham
> > http://e-wire.net.au/~eb_kavan/
> >
> > -----Original Message-----
> > From: treliff [mailto:treliff@x...]
> > Sent: Friday, March 19, 2004 7:30 AM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: [amibroker] Looping stuff driving me nuts, please
help...
> >
> > Looping stuff.... I've had some guidance from the forum and TJ
> > and
> > thought I got it, but every new loop I take on gets stuck.
> >
> > I went back to the basics, as an exercise trying to write a
> function
> > loop for a simple moving average:
> >
> > function MN(n)
> > {
> > // local result;
> > result = C ;
> > for (i=2;i<BarCount;i++)
> > {
> > result = ((i-1)/i)*result + (1/i)*Ref(C,-(i-1)) ;
> > }
> > return result;
> > }
> > Plot(MN(2),"MN(2)", colorBlue);
> > Plot(MA(C,2),"MA(2)",colorRed);
> >
> > Just doesn't work, my MN(n) is empty for every n. What's
> > wrong?
> > Thanks for your patience with me.
> >
> > treliff
> >
> >
> >
> >
> > Send BUG REPORTS to bugs@xxxx
> > Send SUGGESTIONS to suggest@xxxx
> > -----------------------------------------
> > Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
> > (Web page: http://groups.yahoo.com/group/amiquote/messages/)
> > --------------------------------------------
> > Check group FAQ at:
> > http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> > Yahoo! Groups Links
Send BUG REPORTS to bugs@xxxxxxxxxxxxx
Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
-----------------------------------------
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(Web page: http://groups.yahoo.com/group/amiquote/messages/)
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Yahoo! Groups Links
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Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
-----------------------------------------
Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
(Web page: http://groups.yahoo.com/group/amiquote/messages/)
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