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Again, thanks Graham,
I will scan around for some example AFL files and study some more how
barssince works.
Regards,
Graeme Oswin
--- In amibroker@xxxxxxxxxxxxxxx, "Graham" <gkavanagh@xxxx> wrote:
> Graeme
> By saying Barssince(condition) you are providing the number of bars
since
> that condition occurred. A filter or buy statement requires true or
false
> conditions, so the barssince must be made into a conditional
statement
> making it a true or false answer. Thus use barssince(condition)<10
would
> provide that true or false requirement
> This is the same as what you have within the barssince brackets, it
must be
> a unique true/false statement or it would never know when to take
the
> measurement of bars from.
>
>
> Cheers,
> Graham
> http://e-wire.net.au/~eb_kavan/
>
> -----Original Message-----
> From: graeme_oswin [mailto:goswin@x...]
> Sent: Wednesday, May 12, 2004 8:27 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: AFL Logic Question
>
> Graham,
>
> Thank you. So are you saying I could use eg:
>
> Cond2= BarsSince(Cross(C,MA(C,150))) < 10;
>
> in the Buy or Filter condition statement?
>
> I guess I just don't understand why (in my formula) Cond2 doesn't
> hold the integer of bars since the cross condition for evaluation
in
> the buy or filter line.
>
> Regards
>
> Graeme Oswin
> --- In amibroker@xxxxxxxxxxxxxxx, "Graham" <gkavanagh@xxxx> wrote:
> > This cond2 needs to have something to make it unique occurence
> > example
> > Cond2= BarsSince(Cross(C,MA(C,150))) == 5;
> >
> > Cheers,
> > Graham
> > http://e-wire.net.au/~eb_kavan/
> >
> > -----Original Message-----
> > From: graeme_oswin [mailto:goswin@x...]
> > Sent: Wednesday, May 12, 2004 8:05 PM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: [amibroker] AFL Logic Question
> >
> > Fristly thank you to all those who have helped in my developing
> > understanding of AFL programming.
> >
> > Secondly what is wrong with the logic of the following code:
> >
> > Cond1=MA(C,15)>MA(C,150);
> > Cond2=BarsSince(Cross(C,MA(C,150)));
> > Buy=Cond1 AND Cond2<10;
> > Filter=Cond1 AND Cond2<10;
> > AddColumn(Cond2,"Cond2",1.2);
> >
> > Simply I am attempting to discover stocks that have recently (in
> the
> > last ten days) crossed above their 150 moving average and the 15
> day
> > moving average is currently above the 150 day moving average.
> >
> > When I scan or filter I find some stocks that meet these criteria
> > while others have been able their 150 MA for ages while reporting
0
> > for Cond2.
> >
> > What have I missed in terms of the logic?
> >
> > Regards and sincere thanks,
> >
> > Graeme Oswin
> >
> >
> >
> > Send BUG REPORTS to bugs@xxxx
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>
>
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