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Kieth,
I will admit that I have not used it. But, wouldn't a single database using QuickAFL solve the problem for you?
Mike
--- In amibroker@xxxxxxxxxxxxxxx, Keith McCombs <kmccombs@xxx> wrote:
>
> I recently purchased 1min historical data, in ASCII format, for system
> development and backtesting. Some of it goes back many years and
> therefor the files can be enormous. I have NO problem with how much
> disk space they take up. However, I do mind how much time is used in
> back testing.
>
> One of my thoughts is to somehow break the data up into smaller time
> periods, for example years with some overlap of November and December.
> So I might have one data base that goes from 11/1/1998 to 12/31/1999 and
> the next from 11/1/1999 to 12/31/2000, etc. This would allow/require me
> to test one year at a time, which might also help me keep my "back
> testing" separate from "forward testing" I might also consider even
> smaller time periods such as quarters or months or weeks.
>
> Has anyone else thought about, or better yet, done this?
>
> Is there any efficient (time wise) way to implement this. I don't care
> about disk space; it's cheap.
>
> Your thoughts and suggestions are appreciated.
> -- Keith
>
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