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Re: [amibroker] Re: Dynamically Defining number of Bars to be Loaded



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Have you tried SetBarsRequired?

On Apr 6, 2005 12:48 PM, dweilmuenster95125
<dweilmuenster95125@xxxxxxxxx> 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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