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Hi Steve,
I did not see in your code
var1(0)=...
Is it necessary to define it?
This is the initial price.
Dimitris Tsokakis
--- In amibroker@xxxx, Steve Wiser <slwiserr@xxxx> wrote:
> Jeff:
>
> This has been done using VBScript a couple of times once as an
example and
> another as a tool for an indicator.
> See the attached file as an example.
>
> Steve
>
>
>
>
> At 03:29 PM 6/19/01 -0400, you wrote:
> >Hello to All!
> >
> >Just got the lastest issure of Active Trader Magazine....always
like to
> >play around with the systems they present in "The Trading Systems
Lab"
> >section...
> >
> >This month they present a system based on a Volume Weighted Moving
> >Average. Everything is fairly simple to code into AFL, with one
little
> >exception...to start the calculation of the VWMA you must have the
> >"previous" VWMA to preform the calculation. There is my
problem...how to
> >get a "previous" value of an array when you haven't preformed the
first
> >calculation of the array.
> >
> >All you "Codies" out there...any suggestions?
> >
> >Thanks
> >
> >Jeff
>
> EnableScript("vbscript");
> <%
> close = AFL( "close" )
> factor = 0.09
> var1=close
> SetValue Close
>
> Function SetValue(Close)
> for i = 1 to UBound( close )
> var1( i )= factor * close( i ) + (1 - factor) * var1(
i - 1 )
> next
> end function
>
> AFL.Var("graph0") = close
> AFL.Var("graph1") = var1
> %>
> WriteVal( graph1 );
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