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Instead of just blindly copying code, read the description of each function, in the user guide, so that you can try to understand what the code is doing.
The documentation for these is not very clear. But, PeakBars/TroughBars are based on Zig. Zig uses the second argument as the minimum percentage change required before being recognized as a new pivot. Therefore, where you see ZigPerc, you should be using your own value for what minimum Zig percentage change you want.
e.g.
ZigPerc = 5;
Also, "if pkbars<trbars: peak, otherwise trough" is not AFL code. It is simply a descripttion for you to understand how to know whether the last pivot was a peak or a trough. Do not add that to your code!
Mike
--- In amibroker@xxxxxxxxxxxxxxx, ram vel <rvlv@xxx> wrote:
>
> Hi Zoris
> fl showing error after adding your lines
> it says perc is not acceptable
> Â
> Please, can you correct this code lines?
> If there are two options, kindly post both codings in full, and oblige
> Thanks in advance,
> regards
> rvlv
> --------------------------------------------------------------------code-------------------
> P = ParamField( "Price field" );
> change = Param("% change",5,0.1,25,0.1);
> //Plot( Zig(P, change), _DEFAULT_NAME(), ParamColor( "Color", colorCycle ), ParamStyle("Style") );
> Â
> //added this extra code as per Zoris M Schuller
> //request lines description
> //Could someone help me with the AFL code for Zig function Peak AND Trough detection?
> //I want to check if the last Zig value is a Peak OR a Trough.
> //do I need to use loop code OR is there a way to use LastValue to detect this condition?
> Â
> Â
> Â
> //for ZIGHL afl go to (amongst others): Joris Schuller; Sat 11/07/2009 10:25 AM
> //change =ZigPerc;
> //pkbars=PeakBars(H,ZigPerc); //if you use the ZIGHL formula, otherwise replace H by C when using AB-Zig
> pkbars=PeakBars(H, Change);
> trbars=TroughBars(L, Change); //if you use the ZIGHL formula, otherwise replace L by C when using AB-Zig
> Plot( Zig(H, change), _DEFAULT_NAME(), ParamColor( "Color", colorCycle ), ParamStyle("Style") );
> Â
> //if (pkbars<trbars); Peak, otherwise Trough;//this line gives error
> -----------------------------------------------------------------------------------------------------------------------------------------------
>
> --- On Tue, 11/17/09, Joris Schuller <jschuller@xxx> wrote:
>
>
> From: Joris Schuller <jschuller@xxx>
> Subject: RE: [amibroker] ZIG peak and trough detection
> To: amibroker@xxxxxxxxxxxxxxx
> Date: Tuesday, November 17, 2009, 7:36 PM
>
>
> Â
>
>
>
>
>
> For ZIGHL afl go to (amongst others): Joris Schuller; Sat 11/07/2009 10:25 AM
> pkbars=PeakBars(H,ZigPerc); //if you use the ZIGHL formula, otherwise replace H by C when using AB-Zig
> trbars=TroughBars(L,ZigPerc); //if you use the ZIGHL formula, otherwise replace L by C when using AB-Zig
> if pkbars<trbars: peak, otherwise trough
>
>
> From: amibroker@xxxxxxxxx ps.com [mailto:amibroker@ yahoogroups. com] On Behalf Of Richard
> Sent: Tuesday, November 17, 2009 7:12 PM
> To: amibroker@xxxxxxxxx ps.com
> Subject: [amibroker] ZIG peak and trough detection
> Â
> Â
>
>
>
> Hello, Could someone help me with the AFL code for ZIG function peak and trough detection?
> I want to check if the last ZIG value is a Peak or a Trough.
> Do I need to use loop code or is there a way to use LastValue to detect this condition?
>
> Regards
> Richard
>
>
> No virus found in this incoming message.
> Checked by AVG - www.avg.com
> Version: 8.5.425 / Virus Database: 270.14.67/2506 - Release Date: 11/16/09 07:43:00
>
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