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Dave,
No it's not just you, i'll have to find out what the problem is. Or if TJ is monitoring this he might be able to give an answer to the problem. I'm sure its an easy modification but not for me :)
Regards,
William Peters
www.amitools.com
-----Original Message-----
From: dcrotty2003 [mailto:dcrotty2003@xxxxxxxxxxxx]
Sent: Saturday December 20, 2003 5:52 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: Standard Error bands - Indicator
Hi William,
Maybe it's just me, but the Param:
Periods= Param("Periods", 3, 1, 100, 1);
...doesn't seem to work.
Dave.
--- In amibroker@xxxxxxxxxxxxxxx, "William Peters"
<williampeters@xxxx> wrote:
> Hi,
>
> Just sharing some code that I originally found on this forum
(somewhere) and
> was subsequently found to be wrong. Tomasz has made the
corrections so here
> it is. I've also added it to the AFL library on the AmiBroker web site.
>
> /* Standard Error Bands */
> Var= Param("Standard Error", 18, 1, 100, 1);
> Periods= Param("Periods", 3, 1, 100, 1);
>
> function SteBand( array, periods, upper )
> {
> Lr = LinearReg( array, periods );
> se = StdErr( array, periods );
> return LR + IIf( upper, 1, -1 ) * 2 * se;
> }
>
> upperstderrband = SteBand( C, Var, True );
> lowerstderrband = SteBand( C, Var, False );
> midstderrband = (upperstderrband + lowerstderrband )/2;
>
> Plot(upperstderrband ,"upperstderrband ",colorGreen,4);
> Plot(Close,"Close",colorBlack,styleCandle);
> Plot(lowerstderrband ,"lowerstderrband ",colorRed,4);
> Plot(midstderrband ,"midstderrband ",colorBlack ,styleLine);
> GraphXSpace = 3;
> Regards,
> William Peters
> www.amitools.com
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