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Thanks, Christopher, but I don't think that's the answer. Even when I
use the data range capability to limit an exploration to, say, 5
years, the progress messages flashing at the bottom of AmiBroker
indicate that it's loading 3000 bars (about 11 years) for every symbol
in the exploration. So, changing the date range to 1 year from 5
years doesn't reduce the run time for the exploration.
David
--- In amibroker@xxxxxxxxxxxxxxx, "Christoper" <turkey@xxxx> wrote:
>
> You can limit the date range for explorations/scans in teh AA window.
> That will cut the time down.
>
> --- In amibroker@xxxxxxxxxxxxxxx, "dweilmuenster95125"
> <dweilmuenster95125@xxxx> wrote:
> >
> > Once a database is defined for AmiBroker, is it possible in
> > Explorations or Backtests to specify that the program should load only
> > a specific number of the most recent bars in the database, rather than
> > the maximum number defined when creating the database.
> >
> > For example, if a database is defined to load 3000 bars of daily data
> > from TC2005, is there a way in an Exploration or Backtest to specifiy
> > that only the most recent 500 bars should be loaded for that
> > Exploration or Backtest?
> >
> > Why? Some of my backtesting requires 10 years of data. Explorations
> > typically require only 2 years. But, AmiBroker loads all 10 years for
> > explorations whether I need it or not because the database is defined
> > to accommodate the maximum number of bars for backtesting and
> > exploring. That stretches the time to complete Exploration
> > susbstantially.
> >
> > Thanks,
> > David
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