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Re: [amibroker] Help with Static vars



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Try an 'if statement', which is how I use these things.

if(lastvalue(longentry))
{StaticVarSet("aaa",lastvalue(Longentry);
}
The StaticVarSet will now only be triggered if longentry is true

Mark

On 13/01/07, Wes Smith <wes_zoltran@xxxxxxxxx> wrote:
>
>   Thanks Graham,
> But I think StaticVarSet("aaa",lastvalue(Longentry));  will also set the
> static var to 'false' when Longentry is false...
>
> I want the staticvar to be set 'true' if longentry is ever true, and then
> only reset when there's a longExit signal..)
> Wes
>
> ----- Original Message ----
> From: Graham <kavemanperth@xxxxxxxxx>
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Friday, January 12, 2007 4:05:04 PM
> Subject: Re: [amibroker] Help with Static vars
>
>  there are easier ways without the IF's
> LongEntry = C > Ref(H,-1) ;
> LongExit = C < Ref(L,-1) ;
>   StaticVarSet("aaa",lastvalue(Longentr y));
>
> Longlatch = (Longentry OR StaticVarGet("aaa"));
>
>
> --
> Cheers
> Graham
> AB-Write >< Professional AFL Writing Service
> Yes, I write AFL code to your requirements
> http://www.aflwriti ng.com <http://www.aflwriting.com>
>
> On 13/01/07, wes_zoltran2 <wes_zoltran@ yahoo.com <wes_zoltran@xxxxxxxxx>>
> wrote:
> >
> > I'm trying to learn Static vars
> > The example I'm using is to form a 'Latch' type function, similar to
> > FLIP, for use in RT trading.   (see dicussion last week in the
> > amibroker-at group).
> >
> >
> > The goal is to 'latch' a condition as true, once it has occurred,
> > regardless if the condition becomes false later in the curent bar
> > For example, if price > prior close.  The normal FLIP doesn't work in
> > RT, as the condtion may vary during the bars life, and flip() only
> > "latches" at bar close time.
> >
> > So here's the original code example using flip..
> > --
> > LongEntry = C > Ref(H,-1) ;
> > LongExit = C < Ref(L,-1) ;
> >
> > /* The following 'Flip' doesn't work in RT.
> > It will vary with the condition, until the bar closes */
> >
> > inlong = Flip(Longentry, longexit) ;
> >
> > Plot(inlong,"",colorGreen, styleArea, 0,10);
> > PlotShapes(IIf( Longentry, shapeUpTriangle, shapeNone) ,colorLime) ;
> > PlotShapes(IIf( Longexit, shapeDownTriangl e,shapeNone) ,colorRed) ;
> > Title = Name() + " In long entry = " + inlong  ;
> > --
> >
> > And here's my attempt with using static vars to latch 'inlong' = true
> > on the 1st occurance of the signal.
> > But it doesn't work right .. the static var doesn't seem to getting
> > set.. or at least that's the appearance.
> >
> > --
> > _SECTION_BEGIN("RT-FLIP");
> > LongEntry = C > Ref(H,-1) ;
> > LongExit = C < Ref(L,-1) ;
> > if (Longentry[BarCount -1] = True)
> >         {
> >         StaticVarSet("aaa",True);
> >         }
> > if (Longexit[BarCount- 1] = True)
> >         {
> >         StaticVarSet("aaa",False);
> >         }
> > Longlatch = (Longentry OR StaticVarGet("aaa"));
> >
> > inlong = Flip(Longlatch ,longexit);
> > /* This should be true, until we get a new longexit ) */
> >
> > Plot(inlong,"",colorGreen, styleArea, 0,10);
> > PlotShapes(IIf( Longentry, shapeUpTriangle, shapeNone) ,colorLime) ;
> > PlotShapes(IIf( Longexit, shapeDownTriangl e,shapeNone) ,colorRed) ;
> >
> > SignalText = WriteIf(inlong, EncodeColor( colorLime) + " IN LONG
> > TRADE","");
> > Title = Name() + " longentry = " + Longentry  + " StVar= " +
> > StaticVarGet("aaa")  + signaltext;
> > _SECTION_END( );
> >
> > ---
> > I suspect I'm getting hung up in my use of barcount and/or my use of
> > the braces in the IF statements.
> >
> > Any help would be appreciated.
> >
> >
> >
> > Please note that this group is for discussion between users only.
> >
> > To get support from AmiBroker please send an e-mail directly to
> > SUPPORT {at} amibroker.com
> >
> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> > http://www.amibroke r.com/devlog/ <http://www.amibroker.com/devlog/>
> >
> > For other support material please check also:
> > http://www.amibroke r.com/support. html<http://www.amibroker.com/support.html>
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
>
>
>
>  
>

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