Re: [Metastockusers] Re: Custom Indicator and variable input

["Robin Hood" <robinhood@xxxxxxxx>]

Thank you for the input Henry :-)
 
 
However, I think there isn't a simple way to increase and decrease the 
number of periods calculated in the process.
 
I've to study about this.
 
r.
 
 
<BLOCKQUOTE 
>
   
  This is how you can create an adaptive 
  indicatorA:=P;Periods:=Input("Time Periods",1,1000, 
  10);Direction:=A - Ref(A,-periods);Volatility:= 
  Sum(Abs(ROC(A,1,$)),periods);ER:= 
  Abs(Direction/Volatility);FastSC:=2/(2 + 1);SlowSC:=2/(30 + 
  1);SSC:=ER*(FastSC - SlowSC) + 
  SlowSC;Constant:=Pwr(SSC,2);AMA:=If(Cum(1)=periods +1,Ref(A,-1) + 
  constant * (A - Ref(A,-1)),PREV + constant * (A - 
  PREV));AMA--- In Metastockusers@xxxxxxxxxxxxxxx, "Robin Hood" 
  <robinhood@xxxx> wrote:> Hi Henry,> > I want to 
  make variable the input period of an indicator and do this by using a 
  mathematical expression which modifies the starting input period (which is 
  fixed).> > So, we may say that I want to make adaptive the 
  indicator, yes :-)> > But it seems the indicator editor doesn't 
  accept this.> > r.> > >   ----- 
  Original Message ----- >   From: Henry Z Kaczmarczyk 
  >   To: Metastockusers@xxxxxxxxxxxxxxx >   
  Sent: Sunday, December 07, 2003 3:00 PM>   Subject: 
  [Metastockusers] Re: Custom Indicator and variable input> > 
  >   Rob,>   I have a few questions as to 
  what you are trying to do?> >   Do you want an 
  adaptive indicator that adjusts to market conditions?>   
  Or are you trying to create a variable?> >   
  Henry>   --- In Metastockusers@xxxxxxxxxxxxxxx, "Robin Hood" 
  <robinhood@xxxx> >   wrote:>   
  > Sorry for the - I think - stupid question...>   > 
  >   > I want to have two values to let evaluate to 
  Metastock: n0 (the >   initial>   > 
  time), and n1 (time evaluated today) in such a way that I'll 
  >   obtain a>   > variable input for a 
  personal function.>   > >   > __ For 
  example: ______________________>   > >   
  > n0:= Input("n0",1,1000,20);>   > n1:=n0* (expression 
  of my input function );>   > >   > 
  (MyIndicator which uses n1 as input)>   > 
  >   > 
  ____________________________________>   > 
  >   > Metastock says me "this variable and expression must 
  contain only >   constant>   > data" 
  referred to n1.>   > >   > So, I'd 
  like a variable input for my indicator (hehehe as >   
  everyone?) and I>   > don't know the right formulation of 
  it.>   > >   > I suppose I could try 
  with "if statements"?>   > >   > 
  >   > >   > Thanks in 
  advance>   > >   > rob.> 
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