Thomas: OK. I thought that you were trying to output optimized values in a chart.
Bill ----- Original Message ----- From: "Thomas Ludwig" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Sunday, March 11, 2007 10:03 AM Subject: Re: [amibroker] Error message with ParamOptimize - why? > Bill, > > We discussed that topic before, and I understand that you critisize that AB > isn't able to automatically insert the optimized value into the formula. > That's true, but aside from that it usually works for me well as a > timesaver - with the exception of some cases I can't explain. (See the > example in my answer to Graham.) But I hope that I will be able to solve > these problems, too, with the help of this great forum. > > Greetings, Thomas > >> Thomas: >> >> The T3 code is plotting but is it optimizing the period? I don't think so. >> Take a look, for example, at the "optimized" period when the market is >> changed - always get the default period. See Feedback suggestion #675 - >> can't use ParamOptimize() for charting (don't know if this will ever >> change). As for T3 vs Hull - probably something goofy in the Hull >> function. >> >> Bill >> >> >> ----- Original Message ----- >> From: "Thomas Ludwig" <[EMAIL PROTECTED]> >> To: <[email protected]> >> Sent: Saturday, March 10, 2007 11:57 AM >> Subject: [amibroker] Error message with ParamOptimize - why? >> >> >I had actually asked this question a couple of weeiks ago but hadn't got >> > an answer. Maybe this time someone has an idea - TJ??? >> > >> > I'm using the ParamOptimize function in the following form: >> > >> > [quote] >> > function popt( Titlename, default, minv, maxv, step ) >> > { >> > return Optimize( Titlename, >> > Param( Titlename, default, minv, maxv, step ), >> > minv, maxv, step ); >> > } >> > [/quote] >> > >> > I included it, e.g., in the T3 formula: >> > >> > [quote] >> > #include <Paramoptimize.afl> >> > >> > function T3(price,periods) >> > { >> > s = popt("s",0.8,0.2,2,0.1); >> > e1=EMA(price,periods); >> > e2=EMA(e1,Periods); >> > e3=EMA(e2,Periods); >> > e4=EMA(e3,Periods); >> > e5=EMA(e4,Periods); >> > e6=EMA(e5,Periods); >> > c1=-s*s*s; >> > c2=3*s*s+3*s*s*s; >> > c3=-6*s*s-3*s-3*s*s*s; >> > c4=1+3*s+s*s*s+3*s*s; >> > Ti3=c1*e6+c2*e5+c3*e4+c4*e3; >> > return ti3; >> > } >> > >> > P = ParamField("Price field",-1); >> > Periods = popt("Periods", 15, 2, 200, 1 ); >> > Plot(t3(p,periods),_DEFAULT_NAME(), ParamColor( "Color", colorCycle ), >> > ParamStyle("Style") ); >> > [/quote] >> > >> > ... and it plots perfectly okay. >> > >> > However, if I include it in the Hull MA formula like this: >> > >> > [quote] >> > #include <ParamOptimize.afl> >> > >> > P = ParamField("Price field",-1); >> > >> > HullMA = HullMaFunction( P, Periods, Delay ); >> > Periods = popt("Periods", 15, 2, 200, 1 ); >> > Delay = popt("Delay", 0, 0, 10, 1 ); >> > X = 2 * WMA(P,round(Periods/2)) - WMA(P,Periods); >> > HullMA = WMA(X,round(sqrt(Periods))); >> > HullMA = Ref(HullMA,-Delay);Plot( HullMA, _DEFAULT_NAME(), >> > ParamColor( "Color", colorCycle ),ParamStyle("Style") ); >> > >> > space = Param("Graph Space", 10, 0, 25, 1); >> > GraphXSpace = space; >> > [/quote] >> > >> > ... and I try to plot this indicator I get the following error: >> > >> > [quote] >> > Price: >> > return Optimize(Titlename, >> > Param(Titlename, default, minv, maxv, step), >> > minv, maxv, step); >> > } >> > ^ >> > >> > Error 32. >> > Syntax error, probably missing semicolon at the end of the previous line >> > [/quote] >> > >> > >> > I'm probably blind but I'm not able to see why the same function works in >> > one formula but doesn't work in the other. By the way: If I click the >> > "Verify syntax" button in the editor for the Hull MA fomula I don't get >> > any error message. >> > >> > Any idea what's going on here? >> > >> > Regards, >> > Thomas >> > >> > >> > >> > 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.amibroker.com/devlog/ >> > >> > For other support material please check also: >> > http://www.amibroker.com/support.html >> > >> > Yahoo! Groups Links >> > >> > >> > >> > >> > >> > >> > -- >> > No virus found in this incoming message. >> > Checked by AVG Free Edition. >> > Version: 7.5.446 / Virus Database: 268.18.7/711 - Release Date: 3/5/2007 >> > 9:41 AM > > > > > > 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.amibroker.com/devlog/ > > For other support material please check also: > http://www.amibroker.com/support.html > > Yahoo! Groups Links > > > > > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.446 / Virus Database: 268.18.7/711 - Release Date: 3/5/2007 9:41 > AM > >
