Re: [amibroker] Error message with ParamOptimize - why?

["wavemechanic" <fimdot@xxxxxxxxx>]

Thomas:

 

OK.  I thought that you were trying to output optimized values in a chart.

 

Bill

 

----- Original Message -----

From: "Thomas Ludwig" <Thomas.Ludwig@xxxxxx>

To: <amibroker@xxxxxxxxxxxxxxx>

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" <Thomas.Ludwig@xxxxxx>
>> To: <amibroker@xxxxxxxxxxxxxxx>
>> 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
> 
> 
> 
> 
> 
------------------------ Yahoo! Groups Sponsor --------------------~--> 
> Transfer from your equities account.  
> Receive up to 
$1,000 from GFT. Click here to learn more.
> http://us.click.yahoo.com/aZttyC/X_xQAA/cosFAA/GHeqlB/TM
> 
--------------------------------------------------------------------~-> 
> 
> 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
> 
> <*> To 
visit your group on the web, go to:
>    http://groups.yahoo.com/group/amibroker/
> 
> <*> Your email settings:
>    
Individual Email | Traditional
> 
> <*> To change settings 
online go to:
>    http://groups.yahoo.com/group/amibroker/join
>    (Yahoo! ID required)
> 
> <*> To 
change settings via email:
>    mailto:amibroker-digest@xxxxxxxxxxxxxxx 
>    mailto:amibroker-fullfeatured@xxxxxxxxxxxxxxx
> 
> <*> To unsubscribe from this group, send an email 
to:
>    amibroker-unsubscribe@xxxxxxxxxxxxxxx
> 
> <*> Your use of Yahoo! Groups is subject 
to:
>    http://docs.yahoo.com/info/terms/
> 
> 
> 
> 
> -- 
> 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

SPONSORED LINKS

Investment management software	Investment property software	Investment software
Investment tracking software	Return on investment software

Your email settings: Individual Email|Traditional
Change settings via the Web (Yahoo! ID required)
Change settings via email: Switch delivery to Daily Digest | Switch to Fully Featured
Visit Your Group | Yahoo! Groups Terms of Use | Unsubscribe

__,_._,___