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Oh, and btw, speaking of data "massage", I copied the code from the
list some time ago to export quotes data to ascii
Filter=1;
// actual ohlc volume numbers from bars
AddColumn( O, "O",1.4);
AddColumn( H, "H",1.4);
AddColumn( L, "L",1.4);
AddColumn( C, "C",1.4);
AddColumn( V, "V",1.4);
I noticed that in the output midnight is 00:00:00 instead of 0.00.00
(the format for the other quotes time), so I wrote an (ssed) script to
batch-edit the wrong format, just wondering if this a minor bug in AB
or the intended behavior. Thomasz?
On 9/14/05, neurotic self <neuroticself@xxxxxxxxx> wrote:
> Hallo,
>
> better ask the fellow users before I do some serious damage.
>
> I have a db set to 1-min frequency
> latest year data ('05) is loaded as 1-min data
> year before latest is loaded as 10-min data
> year before is 1-hour data
> and so on...
>
> This is because I thought I would have had difficulty
> loading/backtesting more frequent data from the past, moreover I
> didn't have that data at that time
>
> now: I found 1-min data for '04, and I also saw that performance is
> not that much of a problem...
>
> 1. what happens if I just import again '04 in the db at 1-min level?
> 2. will it overwrite previous 10-min data or will the system keep both?
> 3.In the last case, is there a way to batch-delete quotations?
>
> Kthx,
>
> neuro
>
> --
> Janeczko for President!
>
--
Janeczko for President!
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