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[amibroker] Re: Set Arrows



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Thanks Terry and Keith for your comments
I ll try modify code.
Regards

--- In amibroker@xxxxxxxxxxxxxxx, "Terry" <MagicTH@xxx> wrote:
>
> Also you also don't need the EMA test inside your shape = statement
> since it's already in your Buy and Sell conditions. Keiths ExRem 
should
> fix your multiple arrow problem. Try this simplified version:
> 
>  
> 
> PlotShapes(Buy * shapeUpArrow  + Sell * shapeDownArrow, IIf( Buy,
> colorGreen, colorRed ), 0, IIf( Buy, Low, High ) );
> 
> --
> 
> Terry
> 
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] 
On
> Behalf Of Keith McCombs
> Sent: Monday, May 08, 2006 11:36
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: Re: [amibroker] Set Arrows
> 
>  
> 
> // after buy and sell equations, and before you shape =
> Buy = ExRem(Buy, Sell);
> Sell = ExRem(Sell, Buy);
> 
> sai20_2000 wrote: 
> 
> I am trying to set following buy and sell condition
> 
> Buy=IIf(EMA(C,3)> EMA(C,20) ,Ref(AStochRSI,1)>Ref(ASTochRSI,-1)AND 
> AstochRSI>50,IIf(AstochRSI >65,Cross( EMA(C,3), EMA(C,20)),Null));
> Sell=IIf(EMA(C,3)< EMA(C,20) ,Ref(AStochRSI,1)<Ref(ASTochRSI,-1) 
AND 
> AStochRSI<50,IIf(AstochRSI <40,Cross(EMA(C,20), EMA(C,3)),Null));
> 
> shape=IIf((EMA(C,3)>EMA(C,20)) ,Buy * shapeUpArrow ,Sell * 
> shapeDownArrow);
> 
> PlotShapes( shape, IIf( Buy, colorGreen, colorRed ), 0, IIf( Buy, 
> Low, High ) );
> 
> where Astochrsi is for period 20
> Here I want to put for eg.buy arrow on chart when EMA(C,3)> EMA
> (C,20) and very 1st occurance of greater value of AstochRSI than 
the 
> previous when the above condition is met,but arrows are placed on 
> the every subsequent occrance of rising AstochRSI. How can I limit 
> the arrow to the very 1st occurance only. Any help is appreciated
> 
> Regards
> 
> 
> 
> 
> 
> 
> 
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