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Hi Al,
I would grab the compiled archives of this newsgroup from the AB
site. Time compression is widely discussed and Tomasz points out
several issues as it relates to time compression. You'll get the most
out of those posts, since the topic has already been so well
discussed in the past.
That said, a gentleman by the name of Stephane wrote a DLL which is
apparently in the files area and which offers a number of neat
additions to AB (Darvas boxes, etc.). I haven't used it personally,
but I'm aware that one of the things it deals with is time
compression.
Good luck.
Gordon
--- In amibroker@xxxxxxxxxxxxxxx, "Al" <tinki49@xxxx> wrote:
> Some trading systems require the comparison of multiple timeframe
moving
> averages or other indicators. This can be done properly only by
changing the
> timebase. Let me give an example: Let us say I am working on a 1 min
> database. If I want the 5 bar moving average on a 1 min, 5 min, and
15 min
> basis, I have to switch the timebases to 1 min, 5 min, and 15 min
and
> calculate the 5 bar MA or whatever other indicator I want in that
timeframe.
> It would not be correct to calculate instead the 5 bars, 25 bars,
and 75
> bars MA on the 1 min timebase. This would give completely different
results.
> To achieve this manually is no problem in AmiBroker. However for
automatic
> analysis it would be necessary to switch the timebase within a
script or
> DLL.
> Is this possible at all in AB?
> If yes, I would appreciate some help.
> If not, I think that might be a highly valuable addition to the
programming
> features of AB.
>
>
> Al
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