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Michael,
equivalent expressions should have the same graph, [even if we donīt
know how to explain equivalence].
Try to plot
x= H>Ref(HHV(C,250),-1)==H>Ref(H,-1);
Plot(x,"x",2,2);
and you will see it is not true for every bar.
After this, you may try to explain why.
It is interesting how did you came to your conclusion.
If Ref(HHV(C,250),-1) was equivalent to Ref(H,-1) then
HHV(C,250) would ba equal to H
Do you think it is true ?
Perhaps there is a misunderstanding of HHV function...
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "Michael Orlyk" <bmwrider@xxxx>
wrote:
> Greetings:
>
> Excuse me for reopening this thread but I am curious about
something.
>
> In the statement
>
> newhigh=H>Ref(HHV(C,250),-1)+Close < 20 AND Volume > 200000;
>
> what is the objective of the code "H>Ref(HHV(C,250),-1)"? Isn't
> this equivalent to "H>Ref(H,-1)"?
>
> What am I missing?
>
> TIA.
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko"
<amibroker@xxxx>
> wrote:
> > Dominick,
> >
> > Its all because you have stated your question unclear at the
first
> place.
> > You should ask
> > "how do I count how many **symbols** in database/watchlist
> > are matching my custom condition"
> >
> > You have asked "how to count the number of '1' in the array which
> is returned from cross function'.
> >
> > My aswer was 100% correct to YOUR ORIGINAL question.
> > The array returned by CROSS function represents crosses in SINGLE
> symbol.
> >
> > Than you changed your question
> > "If I have a result column with 1 + 0's. I would like to total
the
> ones
> > in the result column"
> > without saying what your 'column' really represents.
> > (the exploration column can hold one or MANY entires per ONE or
> MANY symbols).
> >
> > After second answer you have finally provided your exploration
code
> > that you were thinking of. If you did at the first place or stated
> > your question correctly you would get correct answer to your real
> problem
> > at the first place.
> >
> > As to your " I wonder how big of a program nightmare it would be
> to be able to perform a count using the column' name?"
> >
> > If you want to make it 'easy' just use
> >
> > newhigh=H>Ref(HHV(C,250),-1)+Close < 20 AND Volume > 200000;
> > Filter=newhigh; // <- LOOK HERE
> > AddColumn(newhigh,"HH52",1.2);
> > AddColumn(Close,"close",1.2);
> >
> > instead in your exploration and you will be able to read the
> number of '1'
> > from the status bar line of the AA window showing number of rows
> in the result list.
> >
> > This exactly is explained in very detail in VIDEO TUTORIAL that
> you should watch
> > first as a beginner:
> > http://www.amibroker.neostrada.pl/video/exploration.html
> >
> > Best regards,
> > Tomasz Janeczko
> > amibroker.com
> > ----- Original Message -----
> > From: "dom1_1998" <Dom2000@xxxx>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Friday, August 22, 2003 5:39 AM
> > Subject: [amibroker] Re: How to count the number "1"
> >
> >
> > > Thanks Anthony. I'll give it a go.
> > >
> > > I wonder how big of a program nightmare it would be to be able
to
> > > perform a count using the column' name?
> > >
> > > I was thinking if I wanted to perform a bottom up analysis of
the
> > > market, I would enter the condition to obtain a true or false
> then
> > > count them by saying something like Cum(columnname("Highs"));
> > >
> > > BTW. How are you making out on the Pattern stats? :))
> > >
> > > Dominick
> > >
> > >
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx, "Anthony Faragasso"
> <ajf1111@xxxx>
> > > wrote:
> > > > dom,
> > > >
> > > > You could try this:
> > > >
> > > > load into AA window....and Run **Scan** First, this sets up
> your
> > > > AddtoComposite ticker....Then run explore....you should see
the
> > > count of how
> > > > many tickers in your watchlist meet the NewHigh Criteria....
> > > >
> > > > newhigh=H>Ref(HHV(C,250),-1) AND Close < 20 AND Volume >
> 200000;
> > > >
> > > > Buy=0;
> > > >
> > > > AddToComposite(NEWHIGH,"~NEWhIGH","X");
> > > >
> > > > Filter=newhigh > 0;
> > > >
> > > > AddColumn(ValueWhen(newhigh,C),"Close");
> > > >
> > > > AddColumn(Foreign("~NEWhIGH","X"),"NEWhIGHS",1);
> > > >
> > > > Anthony
> > > >
> > > >
> > > > ---
> > > > Outgoing mail is certified Virus Free.
> > > > Checked by AVG anti-virus system (http://www.grisoft.com).
> > > > Version: 6.0.511 / Virus Database: 308 - Release Date:
> 8/18/2003
> > >
> > >
> > >
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