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Roy/Jay,
That's great. Many thanks indeed.
Regards,
Kevin
At 08:31 15/02/03 +1300, you wrote:
>
>Kevin
>
> > I would like to create an exponential moving average formula but with a
> > different weighting to that which Metastock provides as standard.
> >
> > Help!
>
>This is the base formula for a standard exponential moving average.
>
> {Exponential Moving Average}
>A:=Input("Periods",1,99,14);
>B:=P; {target array, usually CLOSE}
>R:=2/(A+1);
>If(Cum(1)=1,B,PREV*(1-R)+B*R);
>
>This is the base formula for Wilders Smoothing (exponential) moving average.
>
> {Wilders Smoothing}
>A:=Input("Periods",1,99,14);
>B:=P; {target array, usually CLOSE}
>R:=1/A;
>If(Cum(1)=1,B,PREV*(1-R)+B*R);
>
>Notice how the only difference is the 'R' variable. This determines the
>percentage of new data that is added and old data that is retained.
>
>Hope this helps.
>
>Roy
>
>
>
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