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[amibroker] Re: Looping question



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Jayson,

One thing to note is that AB is a zero-based array coordinate 
program so sometimes the loop starts at i=0. 

For this case you simply need to account for the first value of 
volume in your total. I think you should try something like this:

for( i = 1; i <BarCount ; i++ )
{
 if(i==1) x[0]=Volume[0];
 x[i] = x[i-1] + Volume[i];
}
 
 plot(x,"Test",5);

-ace


--- In amibroker@xxxxxxxxxxxxxxx, "Jayson" <jcasavant@xxxx> wrote:
> I am trying to get my mind wrapped around looping could some 
please explain
> to me why the following code does not reflect the same thing as cum
(v)?
> 
> x=0;
> 
> for( i =1; i <BarCount ; i++ )
> 
> {
> 
> x = x +Volume;
> 
> }
> 
> plot(x,"Test",5);
> 
> It "seems" like I am saying " x= the last value of x plus volume" 
and that
> would continue to increment by each days volume until the last 
bar. Of
> course that is not happening at all. I am sure I am missing 
something
> simple...any help appreciated
> 
> Regards,
> Jayson


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