Re: Not Average

["Jerry War" <drwar@xxxxxxxxxxx>]

I would have thougth that

diff= average(c-c[1]),3);
Plot1(diff,"diff");

would have worked fine.

Jerry
----- Original Message ----- 
From: "Ian Waugh" <ianwaugh@xxxxxxxxx>
To: <omega-list@xxxxxxxxxx>
Cc: <ianwaugh@xxxxxxxxxxxxxxxxxxx>
Sent: Wednesday, July 09, 2003 9:21 AM
Subject: Re: Not Average


> Thanks to everyone who suggested I use a second variable to store the 
> average value in like this:
> 
>  diff=c-c[1];
>  diff1=average(diff,3);
>  plot1(diff1,"diff");
>  
> Someone said the problem happens because "diff" has already been used. I 
> was trying to be thrifty (:-). However, I thought you were allowed to 
> change the value of a variable by referencing itself such as:
>  
> count=count+1;
> 
> So I assumed my version would work. Is there some obtuse aspect of EL at 
> work here?
> 
> Ian
> 
> 
> > I'm having trouble with Average. Probably just not got my head around 
> > something but would appreciate a pointer...
> > 
> > I'm calculating the difference between this bar's close and the 
> > previous bar's close and trying to plot the 3-bar average but I get 
> > different results depending on when the Average is taken. For example:
> > 
> > diff=c-c[1];
> > plot1(average(diff,3),"diff");
> > 
> >     produces a different plot to:
> > 
> > diff=c-c[1];
> > diff=average(diff,3);
> > plot1(diff,"diff");
> > 
> > I would have assumed they'd plot the same plot. Where am I going 
> > wrong?
> > 
> > Ian
> > 
> > 
>