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This one fixes the problem even when you've got a H=Ltwo days in a
row!Even better!
Thanks Harvey! I ve never noticed this "Nz" function...
Friendly,
Gilles
--- In amibroker@xxxxxxxxxxxxxxx, HarveyHP <harveyhp@xxxx> wrote:
> Gilles,
>
> Look up "NZ" in the function reference. Your line
> TSVd= ( ( C-Ref(C,-1)) / ( H-L ) ) * V; would become
> TSVd= NZ( ( ( C-Ref(C,-1)) / ( H-L ) ) * V ) ;
> and similar for the line
> TSV_ref= NZ( ( Sum((( C-Ref(C,-1)) / ( H-L ))*V, T ) ) / 1000000 ) ;
>
> HHP
> =========================
>
> At 08:19 AM 12/04/2004, you wrote:
> >Dear all, below is the formula of one of the TSV emulators -
Worden's
> >proprietary indicator-; I like it a lot, but there is a light
> >problem: if one day H=L, TSVd is divided by 0, and the indicator
get
> >stucked at -1 for ever...( This happens with KERX on March 28, 2001
> >for ex)
> >Could somebody help me adding a condition as if H=L, the indicator
> >keeps the previous day value? I'm tired out hitting my head against
> >the wall, it becomes painful with time...
> >
> >
> >
> >
> >T = 18; // For a TSV with 18 day period
> >
> >TMA = 9; // For MA of TSV
> >
> >Alpha = 2/(T+1);
> >
> >TSVd= ( ( C-Ref(C,-1)) / ( H-L ) ) * V;
> >
> >// The following calculates Exponential Average for TSV
> >
> >TSV_exp = 100*(AMA(TSVd,Alpha) * T/10000000);
> >
> >TSV_ref= ( Sum((( C-Ref(C,-1)) / ( H-L ))*V, T ) ) / 1000000; //for
> >reference
> >
> >// The following is simple TSV
> >
> >TSV = MA(TSVd,T) * T/10000000;
> >
> >TSV_MA = MA(TSV_exp,TMA);
> >
> >Plot(TSV_Exp,"TSV ",9,styleLine+styleThick);
> >
> >Plot(TSV_MA,"TSV Smooth ",colorWhite,styleLine);
> >
> >Plot(TSV_ref,"TSV Raw ",12,styleArea+styleLeftAxisScale);
> >
> >
> >
> >
> >
> >
> >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
> >
> >
> >
> >
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