For the moment I solved in this way ...
for( i = 100; i < BarCount; i++ )
{
avrg1[0]=yield1[0];
avrg1[i]=(1-alpha)*avrg1[i-1]+alpha*yield1[i];
dvst1[0]=yield1[0];
dvst1[i]=sqrt((1-alpha)*dvst1[i-1]^2+alpha*(yield1[i]-avrg1[i])^2);
}
--- In [email protected], "Angio" <angio1...@...> wrote:
>
> I think the input is ... (yield1-avrg1)^2
>
> output[i]=factor[i] * input[i] + (1 - factor[i]) * output[i-1];
>
> dvst1=sqrt(alpha*(yield1-avrg1)^2+(1-alpha)*(Ref(dvst1,-1))^2);
>
>
> but also the output[i-1] should be ... ^2 !!!
>
>
>
>
> --- In [email protected], "Tomasz Janeczko" <groups@> wrote:
> >
> > Hello,
> >
> > Oh sorry, second AMA should of course take yield1-avrg1 as input.
> >
> >
> > instead of:
> > dvst1=sqrt((1-alpha)*Ref(dvst1,-1)*Ref(dvst1,-1)+alpha*(yield1-avrg1)*(yield1-avrg1));
> >
> > you should write
> > dvst1=sqrt( AMA( yield1-avrg1, alpha ));
> >
> >
> > Best regards,
> > Tomasz Janeczko
> > amibroker.com
> > ----- Original Message -----
> > From: "Angio" <angio1967@>
> > To: <[email protected]>
> > Sent: Sunday, August 09, 2009 11:15 AM
> > Subject: [amibroker] Re: Error 29, variable 'xxx' without having been
> > initialized !!!
> >
> >
> > > Tomasz thanks again, yesterday I studied the manual all day ...
> > >
> > > but you are sure that the second AMA formula is correct?
> > >
> > > So instead of:
> > > avrg1=(1-alpha)*Ref(avrg1,-1)+alpha*yield1;
> > >
> > > you should write:
> > > avrg1= AMA( yield1, alpha );
> > >
> > > and instead of:
> > > dvst1=sqrt((1-alpha)*Ref(dvst1,-1)*Ref(dvst1,-1)+alpha*(yield1-avrg1)*(yield1-avrg1));
> > >
> > > you should write
> > > dvst1=sqrt( AMA( yield1, alpha ));
> > >
> > > by
> > >
> > >
> > >
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