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RE: [amibroker] help with adx/dmi



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<SPAN 
class=542545113-12092003>ron, to expand a bit on jayson's reply, I agree that 
the problems you're seeing are just minor syntax errors, really common when 
you're getting started, nothing major.
<SPAN 
class=542545113-12092003> 
<SPAN 
class=542545113-12092003>first off, every line of AFL code has to end with a 
semicolon. you might have them in your actual code, but they weren't consistent 
in your emails, so I thought I'd mention it.
<SPAN 
class=542545113-12092003> 
<SPAN 
class=542545113-12092003>second, PDI and MDI are functions, so a pair of 
parentheses is always required after them, as in PDI(). between the parens is 
where you put the period to use, if you want to override the defaults, like 
PDI(14). they both do have default periods that get used if you don't say 
otherwise, so you can leave the period itself out, but not the 
parens.
<SPAN 
class=542545113-12092003> 
<SPAN 
class=542545113-12092003>hope you get squared away,
<SPAN 
class=542545113-12092003> 
<SPAN 
class=542545113-12092003>dave
<BLOCKQUOTE 
>
  <FONT face=Arial color=#0000ff 
  size=2>Ron,
  your 
  syntax is incorrect....you need to define periods. from 
  help.....
  <FONT face=Arial color=#0000ff 
  size=2> 
  
  
    
    
      SYNTAX 
        
      
        pdi( period = 14 ) 
         
        so 
        
        <FONT face=Arial 
        size=2> 
        <FONT face=Arial 
        size=2>Buy=cross(pdi(14),mdi(14));       

        <FONT face=Arial 
        size=2>                Sell=cross(mdi<SPAN 
        class=140154313-12092003>(14),pdi<SPAN 
        class=140154313-12092003>(14)); 
   
  Regards, 
  Jayson 
  <FONT face=Tahoma 
  size=2>-----Original Message-----From: Ron Morton 
  [mailto:mortonr003@xxxxxxxxxxxxx]Sent: Friday, September 12, 2003 
  2:28 AMTo: amibroker@xxxxxxxxxxxxxxxSubject: Re: 
  [amibroker] help with adx/dmi
  I get a syntax error 23 pointing to the comma 
  after pdi, what do I need to do to fix this?
  ron
  <BLOCKQUOTE 
  >
    ----- Original Message ----- 
    <DIV 
    >From: 
    mrdavis9 
    
    To: <A title=amibroker@xxxxxxxxxxxxxxx 
    href="">amibroker@xxxxxxxxxxxxxxx 
    Sent: Thursday, September 11, 2003 8:18 
    PM
    Subject: Re: [amibroker] help with 
    adx/dmi
    
    Try this:   
    Buy=cross(pdi,mdi);   < the pdi crosses mdi from below as it 
    moves upward.    
    <FONT face=Arial 
    size=2>                Sell=cross(mdi,pdi);     
    <pdi crosses mdi from above.
    <BLOCKQUOTE 
    >
      Ron D
       
      ----- Original Message ----- 
      <DIV 
      >From: 
      <A title=mortonr003@xxxxxxxxxxxxx 
      href="">rmortonmd 
      To: <A 
      title=amibroker@xxxxxxxxxxxxxxx 
      href="">amibroker@xxxxxxxxxxxxxxx 
      
      Sent: Friday, September 12, 2003 1:08 
      AM
      Subject: [amibroker] help with 
      adx/dmi
      I've been trying to work with the built in adx/dmi line and 
      have found that the +cross (+DI going above -DI) has been rather 
      predictive of stocks that I have made money on.  Conversely, when 
      there is a -cross (-DI going above +DI) I have routinely lost money 
      despite the fact that other indicators had not recommended a 
      sell.  What I would like is to be able to do a scan for times 
      when there is a cross.  I tried to modify the built in file 
      with:    Buy = cross (pd, md)    
      Sell = cross (md, pd) and I kept getting a syntax error pointing to 
      the second "l" in "sell".I then tried:    
      Buy = ValueWhen( Cross( pd, md ))    Sell = ValueWhen( 
      Cross( md, pd ));again, getting the same syntax error.Any help in 
      automating this process would be much appreciated as I think that this 
      may be a very effective tool for narrowing down my stock list for 
      potentially high profit 
      buys.Thanks,ron------------------------ Yahoo! 
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