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Nigel I think both are correct the code below would be what Alan
calls the Center cord with a period of 13 .. and could be plotted on
main chart.
And the ROR indicator is the forumla Alan used for his Rate of
return in a seperate window
see Gif
http://www.amibroker.net/boards/viewtopic.php?p=801#801
--- In amibroker@xxxx, Nigel Rowe <rho@xxxx> wrote:
> It is my understanding that Lineareg(c,25) is a plot of the
endpoints of a
> series of 25 day linear regressions fit lines. (ie the classical
y=a+bx
> where a is the y-intercept and b the slope)
>
> So this should be it.
>
>
> x=Cum(1);
> b=LinRegSlope(C,period);
> // dont use the traditional 'a', as thats a pre-defined identifier
(average)
> i=(Sum(C,period)-b*Sum(x,period))/period;
>
> Lineareg=i+b*x;
>
> Plot(lineareg,"Linear",1);
> Plot(C,"Close",2);
>
> --
> Nigel Rowe
>
> ----- Original Message -----
> From: "Owen Davies" <owen5819@xxxx>
> To: <amibroker@xxxx>
> Sent: Thursday, 18 July 2002 11:26 PM
> Subject: Re: [amibroker] Re: ROR Rate of return indicator
>
>
> > David Holz asked:
> >
> > > After Taking to Alan her is the ms Version when I convert it
to AB
> > > the dont seem to plot the same ..
> > > also how do i plot a line for the 25 % and 40 % postions on
the chart
> > > my AB version
> > > Graph1 = 200*(LinRegSlope(C,52)-Ref(LinRegSlope(C,52),-26))/C;
> >
> >
> > > MS version
> > > 200*(LinearReg(C,52)-Ref(LinearReg(C,52),-26))/C
> >
> > It looks like your problem is that LinRegSlope is the wrong
function.
> > You want LinReg--the linear regression line, rather than the
slope of
> > the line--only I don't think it exists in AFL. Anyone?
> >
> > Owen Davies
> >
> >
> >
> >
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
> >
> >
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