RE: [amibroker] loading all quotes, more than bars set in prefs

["Dave Merrill" <dmerrill@xxxxxxx>]

<SPAN 
class=898332218-18082003>hi jayson. regardless of the default number of bars on 
a chart, you can't show or backtest further back than the number of bars you 
have set for this database, right? 
<SPAN 
class=898332218-18082003> 
<SPAN 
class=898332218-18082003>for instance, if my db prefs are set to 1000 bars, and 
I backtest using 'all quotations', trades start in '99, about 3 years (1000 
bars) ago. the whole 3 year range may not be shown on the chart, but even if I 
choose View: Zoom: All, I still only get those 3 years/1000 bars. 

<SPAN 
class=898332218-18082003> 
<SPAN 
class=898332218-18082003>this makes sense to me. regardless of what's available 
in your database, AB loads only the number of bars in prefs, and that's the most 
you can see or test with. by increasing that pref, you can load more bars into 
memory, then show or test with it if you want. 
<SPAN 
class=898332218-18082003> 
<SPAN 
class=898332218-18082003>I was just wondering if there was a way to load all 
data available for one security into memory, without having to change the db 
pref and change it back again later, and without the side effect of loading all 
data for any other securities you look at too.
<SPAN 
class=898332218-18082003> 
<SPAN 
class=898332218-18082003>it appears there's not, no biggie. 
thanks,
<SPAN 
class=898332218-18082003> 
<SPAN 
class=898332218-18082003>dave
<BLOCKQUOTE 
>
  keep 
  in mind that there is a setting in prefs/charting that sets the default number 
  of bars shown on a chart. under file/database you can set the number of bars 
  that ab loads. In AA you can easily choose the the range of dates to run tests 
  or explorations on. The settings in Pref and database are across your entire 
  database the settings in AA can be limited to a single stock or watch list of 
  stocks...
   
  Regards, 
  Jayson 







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