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Bruce,
Something along these lines was planned already and will arrive at some point.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "bruce1r" <brucer@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Monday, July 20, 2009 4:29 PM
Subject: [amibroker] Re: Quick AFL in scans
> Tomasz -
>
> This triggered something I've been meaning to mention. QuickAFL in AA
> was a great enhancement for optimization, and watchlist AA functions.
> It freed me from having to generate date truncated clones of tickers for
> fast optimization.
>
> But it appears that there is a "chicken and egg" issue for single
> tickers and AA functions. It first needs to execute once with all bars
> for setup. That's OK for watchlist AA functions and all optimizations.
> Where it can be problematic is for RT scans or explores running every N
> seconds on a single ticker.
>
> What would be ideal is it it was detected that the same AFL was running
> over the same Range and it used the previous QuickAFL setup. This would
> allow quick repeated scans of RT data while maintaining long history.
>
> I'm making a wild guess that this is complicated by needing to detect
> that the time period OR certain things in Settings haven't changed also.
> But, if the changes aren't too bad, it might make a useful enhancement.
>
> -- Bruce
>
> P.S. Yes - I'll enter in the Feedback center unless you point out a bad
> assumption.
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx> wrote:
>>
>> Hello,
>>
>> This article
>>
>> http://www.amibroker.com/kb/2008/07/03/quickafl/
>>
>> explains:
>>
>> "In a similar manner, automatic analysis window can use subset of
> available quotations to calculate AFL, if selected "range" parameter is
> less than "All quotations".
>>
>> So, in short QuickAFL works so it calculates only part of the array
> that is currently visible (indicator) or within selected range
> (Automatic Analysis)."
>>
>> Best regards,
>> Tomasz Janeczko
>> amibroker.com
>> ----- Original Message -----
>> From: "sidhartha70" sidhartha70@xxx
>> To: amibroker@xxxxxxxxxxxxxxx
>> Sent: Saturday, July 18, 2009 12:55 PM
>> Subject: [amibroker] Quick AFL in scans
>>
>>
>> > Something's that confusing me slightly about Quick AFL...
>> >
>> > When charting, I understand that SetBarsRequired(500,0) sets the
> number of bars per array to the number of visible bars + 500...
>> >
>> > However, when using Quick AFL in a scan, where the symbol being
> scanned may not even be visible on a chart, therefore there is no
> concept of 'bars visible', how does SetBarsRequired(500,0) work...?
>> >
>> > Does it simply set the array sizes to 500 bars back...?
>> >
>> > TIA
>> >
>> >
>> >
>> > ------------------------------------
>> >
>> > **** IMPORTANT PLEASE READ ****
>> > This group is for the discussion between users only.
>> > This is *NOT* technical support channel.
>> >
>> > TO GET TECHNICAL SUPPORT send an e-mail directly to
>> > SUPPORT {at} amibroker.com
>> >
>> > TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
>> > http://www.amibroker.com/feedback/
>> > (submissions sent via other channels won't be considered)
>> >
>> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
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>> >
>> > Yahoo! Groups Links
>> >
>> >
>> >
>>
>
>
>
>
> ------------------------------------
>
> **** IMPORTANT PLEASE READ ****
> This group is for the discussion between users only.
> This is *NOT* technical support channel.
>
> TO GET TECHNICAL SUPPORT send an e-mail directly to
> SUPPORT {at} amibroker.com
>
> TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
> http://www.amibroker.com/feedback/
> (submissions sent via other channels won't be considered)
>
> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> http://www.amibroker.com/devlog/
>
> Yahoo! Groups Links
>
>
>
------------------------------------
**** IMPORTANT PLEASE READ ****
This group is for the discussion between users only.
This is *NOT* technical support channel.
TO GET TECHNICAL SUPPORT send an e-mail directly to
SUPPORT {at} amibroker.com
TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
http://www.amibroker.com/feedback/
(submissions sent via other channels won't be considered)
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