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fMA = MA(C, 4);
Buy = fMA > Ref(fMA, -1);
Sell = fMA < Ref(fMA, -1);
//Ara's code example
bi = BarIndex();
ai = SelectedValue(bi) - bi[0];
intrade = Flip(Buy,Sell); // intrade will become 1 at first Signal
AND stay at that value until a Sell Signal arrives
buysignal = ValueWhen(intrade AND Ref(intrade,-1) ==0,ai,1); // this
will give you the arrayindex value of the Buy Signal.
BuyHigh = High[ buysignal[ai] ];
--- In amibroker@xxxxxxxxxxxxxxx, "Kevin" <kbens0n@xxx> wrote:
>
> Any help for this novice, regarding Ara's code example?
> I get the following error and am not yet equipped to determine
> the "why". THX in advance:
>
> Ln: 11, Col: 25 : Error 9. Array subscript has to be a number
>
> //Barry's example buy/sell conditions
> fMA = MA(C, 4);
> Buy = fMA > Ref(fMA, -1);
> Sell = fMA < Ref(fMA, -1);
>
> //Ara's code example
> bi = BarIndex();
> ai = bi - bi[0];
> intrade = Flip(Buy,Sell); // intrade will become 1 at first signal
> and stay at that value until a Sell Signal arrives
> buysignal = ValueWhen(intrade AND Ref(intrade,-1) ==0,ai,1); //
this
> will give you the arrayindex value of the Buy Signal.
> BuyHigh = High[buysignal];
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Ara Kaloustian" <ara1@> wrote:
> >
> > Richard
> >
> > Look at the help files for ValueWhen function.
> >
> > At the bottom of the page are links to code that use the
particular
> function
> >
> > I have not looked at details of Barry's code, but if you use my
> code (from
> > below) that defines "ai", the there should be no problem
> >
> > Ara
> >
> > ----- Original Message -----
> > From: "richpach2" <richpach2@>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Tuesday, October 14, 2008 10:57 PM
> > Subject: [amibroker] Re: AFL code question
> >
> >
> > > Hello Ara and Barry,
> > >
> > > Thank you for your contribution but, please take into account
my
> vast
> > > two week experience in using AmiBroker and explain where do I
> > > substitute my entry condition? In Barry's code "ai" array is not
> > > initialized and gives an error. I assume that, this is not a
> complete
> > > code. Can you please give me a simple working example which I
can
> use
> > > to understand the logic of the AFL code?
> > >
> > > Is there an example somewhere in the AFL library which shows
using
> > > valuwhen to identify specific bar break out?
> > >
> > > Regards
> > > Richard
> > >
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx, "richpach2" <richpach2@>
wrote:
> > >>
> > >> Thank you for the explanation. I will try this code tomorrow.
> > >> Especially, buysignal = valuewhen(.. statement.
> > >>
> > >> Regards
> > >> Richard
> > >>
> > >> --- In amibroker@xxxxxxxxxxxxxxx, "Ara Kaloustian" <ara1@>
wrote:
> > >> >
> > >> > You need to first make sure that you eliminate duplicate
> signals, so
> > >> that
> > >> > they will not affect the valu you save
> > >> >
> > >> > Try this:
> > >> > bi = barindex();
> > >> > ai = bi - bi[0];
> > >> > intrade = (Buy,Sell); // intrade will become 1 at first
> signal
> > >> and stay
> > >> > at that value untill a sell signal arrives
> > >> > buysignal = valuewhen(intrade and Ref(intrade,-1)
> ==0,ai,1); //
> > >> this will
> > >> > give you the arrayindex value of the buy signal.
> > >> >
> > >> > BuyHigh = high[buysignal];
> > >> >
> > >> > ----- Original Message -----
> > >> > From: "richpach2" <richpach2@>
> > >> > To: <amibroker@xxxxxxxxxxxxxxx>
> > >> > Sent: Monday, October 13, 2008 10:31 PM
> > >> > Subject: [amibroker] AFL code question
> > >> >
> > >> >
> > >> > > Hello AB Users,
> > >> > >
> > >> > > Can someone explain please, how do I reference a selected
> value
> > > of the
> > >> > > signal bar?
> > >> > > For instance if signal bar is when signal=cross( close,
> > > ema(close,9))
> > >> > > then, how do I store "High" of the signal bar for the
future
> use
> > > so, I
> > >> > > can check if C>"Signal Bar High" occurred in the following
> bars?
> > >> > >
> > >> > > I looked at BarSince, VarSet, ValueWhen and SelectedValue
> but, I
> > > am a
> > >> > > little confused and unsure which one should I use.
> > >> > >
> > >> > > Any help or comment will be appreciated.
> > >> > >
> > >> > > Regards
> > >> > > Richard
>
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