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[amibroker] Re: Empirical Mode Decomposition


  • Date: Thu, 04 Mar 2010 00:57:18 -0000
  • From: "bbands" <BBands@xxxxxxxxx>
  • Subject: [amibroker] Re: Empirical Mode Decomposition

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--- In amibroker@xxxxxxxxxxxxxxx, "Mike" <sfclimbers@xxx> wrote:
>
> John,
> 
> If in fact Peak is supposed to retain the value of the previous Peak when not a new Peak (as opposed to zero shown in my previous post) and similarly for Valley, then my earlier post would need to be modified to the following (also corrected to no longer use the AmiBroker keyword Peak as a variable name)
> 
> BP1 = Ref( BP, -1 );
> BP2 = Ref( BP, -2 );
> 
> NewPeak = ( BP1 > BP AND BP1 > BP2 );
> Peaks = IIF( NewPeak, BP1, ValueWhen( NewPeak, BP1 ) );
> NewValley = ( BP1 < BP AND BP1 < BP2 );
> Valleys = IIF( NewValley, BP1, ValueWhen( NewValley, BP1 ) );
> 
> AvgPeak = MA( Peaks, 50 );
> FracAvgPeak = Fraction * AvgPeak;
> AvgValley = MA( Valleys, 50 );
> FracAvgValley = Fraction * AvgValley;
> 
> Mike

Thanks Mike, that too was very helpful.

(You might want to see my prior post about constant confusion[sic].) 

Best,

John



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