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Hi Anthony- Thanks! FYI, would need to add an isshort statement and
adjust the conditionals accordingly to cover the "out" case. But I'm
only proficient on this now thanks to your help combined with that
from Tomasz, Peter, and Jayson. I even learned how to do this with
loops! So thanks again to you and everyone else who helped.
Mark
--- In amibroker@xxxxxxxxxxxxxxx, "Anthony Faragasso" <ajf1111@xxxx>
wrote:
> Mark,
>
> Try this in AA...click explore
>
> //Sample trading system
> Buy=Cross(C,MA(C,28));
> Sell=Cross(MA(C,28),C);
> Short=Sell;
> Cover=Buy;
> /**********************************/
> islong=Flip(Buy,Sell);
> x=BarsSince(Buy);
> y=BarsSince(Sell);
> Filter=1;
> AddColumn(IIf(islong,76,83),"CurrentPosition", formatChar);
> AddColumn(IIf(islong,x,y),"Bars");
> This is in from Tomasz,
>
> By design WriteIf always returns text corresponding to LAST VALUE.
> Instead you should use +1 for long or -1 for short and regular
AddColumn.
> The other solution is to use single characters:
> L for Long
> S for Short
> using ASCII codes of L (76) and S (83) letters and formatChar:
>
> Hope this helps.
> Anthony
>
> -------Original Message-------
>
> From: amibroker@xxxxxxxxxxxxxxx
> Date: Thursday, May 15, 2003 11:01:28 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: Exploration Question
>
> Anthony- Thanks, but for some reason WriteIf only returns the last
> value of the exploration as opposed to bar-by-bar values, so I'm
> trying to do this with numbers and then convert them to text once in
> Excel. I've found that this is more complicated than it originally
> seemed. For example, some asymmetric systems may have buy and sell
> signals that overlap for several bars, so it comes down to the order
> of the signals. I'm using all this as a reason to finally learn how
> to code loops. Thanks again for having a go at it.
>
> Mark
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Anthony Faragasso" <ajf1111@xxxx>
> wrote:
> > Mark,
> >
> > Try this in AA....click explore
> >
> > //Sample trading system
> >
> > Buy=Cross(C,MA(C,28));
> > Sell=Cross(MA(C,28),C);
> >
> > /**********************************/
> > islong=Flip(Buy,Sell);
> > x=BarsSince(Buy);
> > y=BarsSince(Sell);
> > Filter=1;
> > AddTextColumn(WriteIf(islong,"LONG","SELL"),"CurrentPosition");
> > AddColumn(IIf(islong,x,y),"Bars");
> >
> > Anthony
> > -------Original Message-------
> >
> > From: amibroker@xxxxxxxxxxxxxxx
> > Date: Monday, May 12, 2003 10:25:52 AM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: [amibroker] Exploration Question
> >
> > Hi Everyone,
> >
> > Is there any way to add a column of text to an exploration that
> > indicates trade status? Specifically, I need to add a column that
> > specifies "Long" or "Short" (depending on which is the case) beginning
> > with the bar of entry, through and including the bar before the bar of
> > exit, then "Out" beginning with the exit bar and continuing for all
> > bars the system's not in the market, etc. I understand I need to use
> > Filter=1 to ensure no bars are missed. Thanks. Mark
> >
> >
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