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Ah,
Goldwing, that helps.
The penny has nearly dropped.
So the arrays would look like this:
Buy = condition;
0 0 1 0 0 1 0 0 1 0 1 0 0 0 0 1 0
Buy = exremspan(buy,6);
0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0
sell = ref( buy , -6 );
0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
Meaning always sell when the previous buy was 6 days
ago?
Thanks
ChrisB
--- l washington <goldwing01_1999@xxxxxxxxx> wrote:
> same question here.
>
http://finance.groups.yahoo.com/group/amibroker/message/14340
> answer here.
>
http://finance.groups.yahoo.com/group/amibroker/message/14378
> kris45mar <kris45mar@xxxxxxxxx> wrote:
> Hello all:
>
> I stumbled across this code in the .chm files and
> this
> looks quite helpful. (message 32098)
>
> Sell=Ref( ExRemSpan( Buy, 10 ) ,-10);
>
> Could someone explain in English what this is doing?
>
> I am trying to code for an exit 10 bars after the
> first buy signal (even when there are subsequent buy
> signals) and this seems to be doing what I want. Now
> I
> just need to try and understand what it means.
>
> See also thread at
> http://www.reefcap.com/ubb/Forum49/HTML/000076.html
>
> ************
>
> Buysig = Cross(C , EMA(C,30));
> Sellsig = BarsSince(Buysig) == 10;
> //Buysig = ExRemSpan(Buysig,10);
> //Buysig = ExRem(Buysig, Sellsig); // line #3.
> intrade = Flip(Buysig, Sellsig);
> Buy = Buysig AND Ref(intrade, -1) == 0;
> Sell = Sellsig AND Ref(intrade,-1) ;
> Sell=Ref( ExRemSpan( Buy, 10 ) ,-10);
>
> Plot(C,"",1,64);
> Plot(EMA(C,30),"",colorBlue,1);
> PlotShapes(shapeUpArrow * Buysig, colorLightBlue, 0
> ,
> L , -10);
> PlotShapes(shapeUpArrow * Buy, colorBlue, 0, L,
> -20);
> PlotShapes(shapeDownArrow * Sellsig, colorPink, 0,
> H,
> -20);
>
> PlotShapes(shapeDownArrow * Sell, colorRed, 0, H,
> -10);
> Plot(intrade,"intrade", IIf(1,colorGreen,
> colorPink),
> styleHistogram | styleOwnScale);
>
> ***************
>
>
>
> Any help appreciated
>
> Regards
>
> ChrisB
>
>
>
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