Re: [amibroker] Need Help

["Tomasz Janeczko" <amibroker@xxxxxx>]

Hello,
 
It is NOT like Metastock. 
In fact lots of AFL functions accept variable 
periods:
MA,
AMA,
AMA2,
WMA,
TEMA,
DEMA,
Sum,
Ref,
HHV,
HHVBars,
LLV,
LLVBars
 
These are basic building blocks that allow to code other 
indicators that use variable period.
For example dynamic MACD could be coded as 
follows:
 
slowperiod = ..your dynamic period

fastperiod = ..your dynamic period
 
ff = 2/(fastperiod+1);

sf = 2/(slowperiod+1);
 
DynMACD = AMA( Close, ff ) - AMA( Close, sf );
 
Best regards,Tomasz Janeczkoamibroker.com
<BLOCKQUOTE 
>
  ----- Original Message ----- 
  <DIV 
  >From: 
  CS 
  To: <A title=amibroker@xxxxxxxxxxxxxxx 
  href="">amibroker@xxxxxxxxxxxxxxx 
  Sent: Tuesday, February 18, 2003 5:27 
  PM
  Subject: Re: [amibroker] Need Help
  
  Unfortunately, most of the functions within AFL require a 
  static or constant input parameter for PERIODS. Like MetaStock.
   
  There are a few, such as MA(ARRAY, PERIODS) which will allow 
  for a dynamic (changing) Periods parameter.
   
  I suspect that the programming and array memory overhead is 
  increased, which is why TJ hasn't converted over to dynamic parameter 
  input.
   
  I have had excellent results using dynamic parameters. It 
  allows me to create systems that change their own input parameters mid-stream 
  according to specific market events. Unfortunately, I also had to drop 
  everything for a few months to learn and translate code into vb 
  script.
   
  -CS
  <BLOCKQUOTE 
  >
    ----- Original Message ----- 
    <DIV 
    >From: 
    Jim 
    Hutchison 
    To: <A title=amibroker@xxxxxxxxxxxxxxx 
    href="">amibroker@xxxxxxxxxxxxxxx 
    Sent: Tuesday, February 18, 2003 6:35 
    AM
    Subject: RE: [amibroker] Need 
Help
    Thank you!Could you tell me why this is 
    needed.Jim Hutchison-----Original Message-----From: 
    Anthony Faragasso [mailto:ajf1111@xxxxxxxx] Sent: Tuesday, February 18, 
    2003 9:03 AMTo: <A 
    href="">amibroker@xxxxxxxxxxxxxxxSubject: 
    Re: [amibroker] Need HelpJim,After your RS=IIf(Trend == 
    1,14,IIf(Trend == 2,7, 4)); statement add 
    thefollowing:RS=lastvalue(RS);Best 
    wishesAnthonyPost AmiQuote-related 
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