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Graham, thanks.
I had seen the help text re SetBarsRequired and initially got the
impression that it would not make a difference for simple AFL code,
which is as much programming as I can muster.
But, will experiment with it later this week, and see what happens.
Regards,
David
--- In amibroker@xxxxxxxxxxxxxxx, Graham <kavemanperth@xxxx> wrote:
> Have you tried SetBarsRequired?
>
> On Apr 6, 2005 12:48 PM, dweilmuenster95125
> <dweilmuenster95125@xxxx> wrote:
> >
> >
> > 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
> >
> >
> > Please note that this group is for discussion between users only.
> >
> > To get support from AmiBroker please send an e-mail directly to
> > SUPPORT {at} amibroker.com
> >
> > For other support material please check also:
> > http://www.amibroker.com/support.html
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
>
>
> --
> Cheers
> Graham
> http://e-wire.net.au/~eb_kavan/
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