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hello,
>
>
>
> Chande momentum
> oscillator:http://www.amibroker.com/library/detail.php?id=239
>
>
>
> function CMO(periods)
> {
> aP=sign(C-Ref(C,-1));
> da=abs(C-Ref(C,-1));
> return 100*Sum(aP*da ,Periods)/Sum(da,Periods);
> }
>
> You may verify the equivalence with
>
> Periods=5;
>
CMO1=100*((Sum(IIf(C>Ref(C,-1),(C-Ref(C,-1)),0),Periods))-(Sum(IIf(C<Ref(C,-1),(Ref(C,-1)-C),0),Periods)))/((Sum(IIf(C>Ref(C,-1),(C-Ref(C,-1)),0),Periods)+(Sum(IIf(C<Ref(C,-1),(Ref(C,-1)-C),0),Periods))));
> Plot(CMO1,"CMO1",colorBlack,1);
> function CMO(periods)
> {
> aP=sign(C-Ref(C,-1));
> da=abs(C-Ref(C,-1));
> return 100*Sum(aP*da ,Periods)/Sum(da,Periods);
> }
> CMO2=CMO(Periods);
> Plot(CMO2,"CMO2",colorWhite,8);
>
>
> or
>
>
>
CMO=100*((Sum(IIf(C>Ref(C,-1),(C-Ref(C,-1)),0),Periods))-(Sum(IIf(C<Ref(C,-1),(Ref(C,-1)-C),0),Periods)))/((Sum(IIf(C>Ref(C,-1),(C-Ref(C,-1)),0),Periods)+(Sum(IIf(C<Ref(C,-1),(Ref(C,-1)-C),0),Periods))));
>
>
> --- N !!
>
>
> ----------------------------------------------------------------
>
>
> ----- Original Message -----
> From: "rajak1981" <rajak1981@xxxxxxxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Saturday, July 09, 2005 2:05 PM
> Subject: [amibroker] Re: Trouble with Coding Vidya In AFL
>
>
> > CMO=Chande momentum oscillator.
> > Anyone figure out what is wrong with my code yet?
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, Graham <kavemanperth@xxxx> wrote:
> > > What is CMO ?
> > >
> > > On 7/9/05, m.smith <ink@xxxx> wrote:
> > > >
> > > > People, I get a syntax error and it says expecting an
> > identifier. Marshall
> > > >
> > > >
> > > > -------Original Message-------
> > > >
> > > > From: bilbod
> > > > Date: 07/08/05 13:57:53
> > > > To: amibroker@xxxxxxxxxxxxxxx
> > > > Subject: Re: [amibroker] Trouble with Coding Vidya In AFL
> > > > Below is Vidya someone posted here a while back.
> > > >
> > > > Bill
> > > > ---
> > > > Length=21;
> > > > Smooth=5;
> > > >
> > > > Change = C - Ref( C, -1 );
> > > > SU = Sum( C - Ref( C, -1 ) > 0, Length );
> > > > SD = Sum( C - Ref( C, -1 ) < 0, Length );
> > > > CMO = 100 * ( SU - SD ) / ( SU + SD );
> > > >
> > > > AbsCMO=( abs(CMO) )/100;
> > > >
> > > > SC=2/(Smooth+1);
> > > >
> > > > VIDYA=AMA( C, SC*AbsCMO );
> > > >
> > > > Plot( Close, "Price", 4, 64 );
> > > > Plot( VIDYA, "Vidya", 5 );
> > > > ---
> > > > rajak1981 wrote:
> > > >
> > > > > I am using the following code for vidya.
> > > > > When I plot Vidya , Vidya[0] is initialized fine
> > > > > But after that its all empty.
> > > > > Any idea as to what I am doing wrong?
> > > > > Factor[i] is being computed correctly as can be seen from the
>
> > plot.
> > > > > The problem is occuring due to Vidya[i-1]. I am not sure why.
> > > > >
> > > > > SC=0.5;
> > > > > Vidya[0]=C[0];
> > > > > CMO_Up=Sum( IIf( C > Ref(C,-1) , C-Ref(C,-
> > 1) ,0 ) ,Length ) ;
> > > > > CMO_Dn=Sum( IIf( C < Ref(C,-1) , Ref(C,-1) -
> > > > > C ,0 ) ,Length );
> > > > >
> > > > >
> > > > >
> > > > > for(i=1;i<BarCount;i++)
> > > > > {
> > > > > CMO[i]=(( CMO_Up[i] -CMO_DN[i]) /(
> CMO_Up[i]+CMO_Dn[i]));
> > > > > AbsCMO[i]=(abs(CMO[i]));
> > > > > Factor[i]=SC*AbsCMO[i];
> > > > > Vidya[i]=(Factor[i]*C[i])+(1-Factor[i])*Vidya[i-1];
> > > > > }
> > > > >
> > > > > Plot(Vidya,"Vidya("+Length+")",styleLine);
> > > > > Plot(Factor,"Factor("+Length+")",styleLine);
> > > > >
> > > > > Thanks,
> > > > > Raja
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Please note that this group is for discussion between users
> > only.
> > > > >
> > > > > To get support from AmiBroker please send an e-mail directly
> to
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> > > > >
> > > > > For other support material please check also:
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> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > >
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> ------------------------------------------------------------------
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> > > > >
> > > >
> > > >
> > > >
> > > > Please note that this group is for discussion between users
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> > > > To get support from AmiBroker please send an e-mail directly to
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> > > >
> > > >
> > > >
> > > >
> > > >
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> > > >
> > > > To get support from AmiBroker please send an e-mail directly to
>
> > > > SUPPORT {at} amibroker.com
> > > >
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> > > >
> > > >
> > > >
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> > > > ________________________________
> > > >
> > > >
> > >
> > >
> > > --
> > > Cheers
> > > Graham
> > > http://e-wire.net.au/~eb_kavan/
> >
> >
> >
> >
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> >
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> >
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> >
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> >
> >
> >
> >
> >
> >
>
Warm regards,
Natasha !!
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