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Hi Rob:
I've tried that. SetBarsRequired() at beginning of code.
Then, when I set foreign, it still only utilizes 200 bars of the 1104.
At least I assume this is what is happening. Whatever the issue is, calculation comes out different depending on active symbol.
Let me explain what I'm doing:
Using FastTrack data, I have symbol for NYSE Advances and symbol for NYSE Declines. I am trying to calculate A/D Line from these two symbols.
Here's the code:
a = Foreign( "$NADV", "Close" );
d = Foreign( "$DECL", "Close" );
ad[0] = ( a[0] - d[0] ) + 10000;
for ( i = 1; i < BarCount; i++ )
{
ad[i] = ( a[i] - d[i] ) + ad[i-1];
}
The problem I have is depending on which symbol is the active symbol, the calculation comes out different. I'm assuming this is because not all symbols have same amount of history.
I would like to be able to calculate this A/D Line same no matter what symbol in use as I use it for filter in backtests.
Thanks for help
Levi
--- In amibroker@xxxxxxxxxxxxxxx, "Rob" <sidhartha70@xxx> wrote:
>
> You can use SetBarsRequired() and make it do whatever you want...
>
> --- In amibroker@xxxxxxxxxxxxxxx, "levibreidenbach" <levib1@> wrote:
> >
> > If the active symbol has a barcount of 200, and I then use setforeign function to work with another array (which has a barcount of 1104), will I be able to access all 1104 bars, or only the 200 because that is what is initially loaded?
> >
> > The reason I would like to access all bars is to loop through them and do some calculations that I would like to be the same for all symbols. These calculations are based on a specific starting value (say 10,000), and if I start calculation at the 'zero' bar and barcount is different for each symbol, the calculation is always different for different symbols.
> >
> > I know I didn't explain this too well, but any help would be appreciated. If I can clarify anything, let me know.
> >
> > Thanks
> >
> > Levi
> >
>
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