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Tushar Chande uses this method to filter out spikes in his cmo
momu:=If(C>Ref(C,-1),C-Ref(C,-1),0);
momd:=If(C<Ref(C,-1),Ref(C,-1)-C,0);
A1:=Stdev(momu,100);
A2:=Stdev(momd,100);
Mup:=If(C-Ref(C,-1)>A1,C-Ref(C,-1),A1);
Mdn:=If(Ref(C,-1)-C>A2,Ref(C,-1)-C,A2);
Per1:=Input("Length of CMO",5,100,13);
Pk:=100*((Sum(Mup,Per1)-Sum(Mdn,Per1))
/(Sum(Mup,Per1)+Sum(Mdn,Per1)));
Pk;
--- In Metastockusers@xxxxxxxxxxxxxxx, "Robin Hood" <robinhood@xxxx>
wrote:
> 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.
>
>
>
>
>
>
> This is how you can create an adaptive indicator
>
> A:=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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