Re: [amibroker] The request for "variable" period functions

["Al Venosa" <advenosa@xxxxxxxxxxxx>]

I wholeheartedly agree with Jerome. Portfolio backtesting and pyramiding, 
in my opinion, are much more important that introducing more indicators, dynamic 
or not. I sure hope this new task, if adopted, does not distract or slow down 
Tomasz from developing what I think lots more people wish to have as part of the 
AB engine. My opinion, FWIW.
 
Al Venosa
 
<BLOCKQUOTE 
>
  ----- Original Message ----- 
  <DIV 
  >From: 
  Silvarius 

  To: <A title=amibroker@xxxxxxxxxxxxxxx 
  href="">amibroker@xxxxxxxxxxxxxxx 
  Sent: Thursday, April 17, 2003 4:12 
  PM
  Subject: RE: [amibroker] The request for 
  "variable" period functions
  
  I 
  second Dimitris in his Opinion. Portfolio backtesting enhancement is much more 
  critical IMHO.
  <FONT face=Arial color=#0000ff 
  size=2> 
  Best 
  regards, Jérôme ULRICH
  
    <FONT face=Tahoma 
    size=2>-----Message d'origine-----De : DIMITRIS TSOKAKIS 
    [mailto:TSOKAKIS@xxxxxxxxx]Envoyé : jeudi 17 avril 2003 
    21:41À : <A 
    href="">amibroker@xxxxxxxxxxxxxxxObjet : 
    [amibroker] The request for "variable" period 
    functionsEverybody asks for variable period 
    possibilities, as if AFL is poor in this logic.Let us take a closer 
    look :Variable Period smoothing functions:MA, DEMA, TEMA do accept 
    variable period.The remaining EMA can accept through 
    EMA(ARRAY,PER)==AMA(ARRAY,2/(PER+1))Is there any other type of 
    smoothing used in your formulas ???RSI works through RSIA, CCI works 
    through CCIAMACD through above described EMA.What is next?How 
    about StochK and StochD with variable per ?Perhaps you do not know that 
    you can do it NOW in pure AFL !!The HHV and LLV functions work fine with 
    variable 
    period.per=10+cum(1)%20;StochKa=MA(100*(C-LLV(L,per))/(HHV(H,per)-LLV(L,per)),3);StochDa=MA(MA(100*(C-LLV(L,per))/(HHV(H,per)-LLV(L,per)),3),3);Is 
    ther any other function you would like to see with variable period 
    ?Search first the definition and then see if it already exists in your 
    AFL potential.It is better to know the definition of a Stochastic, 
    before asking fast software upgrades-enhanchments.In my opinion, the 
    lack of definition will always confuse the user, with fixed or variable 
    period.Dimitris Tsokakis Send BUG REPORTS to 
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