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Have you tried the Cross( ) function to get single occurence
Graham
----- Original Message -----
From: "dtsokakis" <TSOKAKIS@xxxx>
Date: Tuesday, July 16, 2002 7:12 pm
Subject: [amibroker] Re: Scanning for stocks not conditions...
> <html><body>
>
>
> <tt>
> Anthony,
>
> John question is not quite clear for me.
>
> John wrote:
>
> "I'm trying to Scan/Explore for stocks whose previous 10 day
> range is
>
> greater than some particular value. This is easy to do in Explore
>
> mode but the output consists of multiple occurences of the same
>
> stock.
>
> Really, I don't want a list of all the occurences of when the
>
> stock's range is greater than the value... I REALLY just want the
>
> ticker symbol inserted into the list and then the scan should move
> on
>
> to the next symbol."
>
>
>
> If you explore for n=1 last quotation, you will find stocks with
>
> CONDITION=TRUE
>
> only for the last bar. If for some stock condition was true 5 bars
>
> ago, you will miss it.
>
> This is why I proposed
>
>
>
> COND=...;//your condition here
>
> x=10;//the days you will search
>
> Filter=Sum(COND,x)>=1;
>
> AddColumn(C,"");
> Set n last quotations n=1 and explore.
>
>
>
> to explore the last x bars and meet the second requirement of one
>
> ticker appearence in the result list.
>
> DT
>
> --- In amibroker@xxxx, Anthony Faragasso <ajf1111@xxxx> wrote:
>
> > Dimitri,
>
> >
>
> > Exactly my question... , Without knowing what John wanted to
>
> explore, (
>
> > No formula was posted ) I presumed he was doing a generic
> explore.
> >
>
> > If suppose he is exploring for a condition to be true.Set n last
>
> > quotations and n=1, click explore.
>
> >
>
> > example:
>
> >
>
> > //Consolidation Breakouts
>
> >
>
> > pds=80;
>
> > Volpds=60;
>
> > CongestionIndex=((HHV(C,pds)-LLV(C,pds))/LLV(C,pds))*100;
>
> >
>
> > // Consolidation breakout (upside)
>
> >
>
> > brkup=IIf(Ref(congestionindex,-5)<10 AND IIf(congestionindex
> >=10
>
> AND
>
> > IIf(Close>Ref(HHV(C,pds),-5) AND
>
> > IIf(MA(V,5)>=1.5*(Ref(MA(V,Volpds),-5)),
> 1,0),1,0),1,0),1,0) ;
>
> >
>
> > brkdown=IIf(Ref(congestionindex,-5)<10 AND
> IIf(congestionindex >=10
>
> AND
>
> > IIf(Close<Ref(LLV(C,pds),-5)AND
>
> > IIf(MA(V,5)>=1.5*(Ref(MA(V,Volpds),-5)),1,0),1,0),1,0),1,0);
>
> >
>
> > Filter=brkup OR brkdown;
>
> >
>
> > AddColumn(brkup,"Upside");
>
> > AddColumn(brkdown,"Downside");
>
> >
>
> > /**************************************************/
>
> >
>
> > Anthony
>
> >
>
> > dtsokakis wrote:
>
> >
>
> > > John,
>
> > > What is the exact condition you want to explore ?
>
> > > DT
>
> > > --- In amibroker@xxxx, John Nelson <trader@xxxx> wrote:
>
> > > >
>
> > > > Right but this has the disadvantage of putting the
> search range
>
> > > into the
>
> > > > program code. Also it doesn't look like you can do
> this easily
>
> for
>
> > > an
>
> > > > interval within the price vector... only from the
> last day back.
>
> > > Oh
>
> > > > well, something we just have to live with I guess.
>
> > > >
>
> > > > -- John
>
> > > >
>
> > > > dtsokakis wrote:
>
> > > >
>
> > > > >John,
>
> > > > >Suppose your want to search a condition COND
> for the last x
>
> days.
>
> > > > >You may use the exploration
>
> > > > >
>
> > > > >COND=C>Ref(C,-1);//your condition here
>
> > > > >x=10;//the days you will search
>
> > > > >Filter=Sum(COND,x)>=1;
>
> > > > >AddColumn(C,"");
> > > > >
>
> > > > >Set n last quotations n=1 and explore.
>
> > > > >You will not see when COND was true, but each
> ticker will
>
> appear
>
> > > only
>
> > > > >once in your result list.
>
> > > > >Dimitris Tsokakis
>
> > > > >
>
> > > > >
>
> > > >
>
> > > >
>
> > > > --
>
> > > > _____________________________________________________
>
> > > >
>
> > > > John T. Nelson
>
> > > > Trader | Dreams Of Empire
>
> > > > mail: | trader@xxxx
>
> > > > web: | http://www.dreamsofempire.com/
>
> > > > _____________________________________________________
>
> > > > "Prediction is sexy... but strategy makes
> money"
> > >
>
> > >
>
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>
>
> </tt>
>
>
>
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