PureBytes Links
Trading Reference Links
|
From: "Fred" <fctonetti@xxxxxxxxx>
> I understand the functionality of Table Export/Import, but for
> example in running an AA back test or optimization across multiple
> symbols my understanding is that AB clears the contents of virtually
> everything between one symbol and the next and it would be usefull to
> be able to some how have persistancy in tables as opposed to having
> to export them at the end of processing for one sysmbol and then
> importing them again at the beginning of processing of the next
> symbol.
Need to think a while on this...
Please give me a small practical example to follow.
> On another topic, I know this can be done externally using OLE
> Automation etc., but it would be usefull to be able to get at all
> the "settings" information that AA has, a lot of which can not be
> gotten with a STATUS("xxx") type command from within an AA.
Got it, will see.
UM
> --- In amibroker@xxxxxxxxxxxxxxx, uenal.mutlu@xxxx wrote:
> > Hi Fred,
> > the functions xxTableExportBinary(), xxTableImportBinary(), and
> > their ASCII versions xxTableExport() and the new xxTableImport()
> > are possibilities for making the tables persistent: just save
> before quitting
> > and load after starting. This also could be automated. If there is
> demand
> > for this le me know.
> > As stated in my Todo list there is another point with an extension
> DB.
> > The persistent variables will be automatically saved/loaded.
> Unfortunately
> > they are delayed due to the Sort bug introduced in the last version.
> > FYI: a bugfixed version was uploaded.
> > UM
> >
> >
> > ----- Original Message -----
> > From: "Fred" <fctonetti@xxxx>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Tuesday, May 13, 2003 6:32 PM
> > Subject: [amibroker] Re: Scoring and Ranking System example using
> ABtool
> >
> >
> > > Uenal,
> > >
> > > Is the implication here that things like ABTool tables could be
> made
> > > to be persistant ?
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx, uenal.mutlu@xxxx wrote:
> > > > Here is a sample code on how to use the Ticker and Table
> > > > functions of the ABtool plugin to realize Systems based on
> > > > Scoring and Ranking.
> > > > Attached is the AFL program code ("xx_Sorting_And_Ranking.afl")
> > > >
> > > >
> > > > Some other info on ABtool:
> > > >
> > > > - ABtool documentation bug:
> > > > TableSortDefDeleteAll() was renamed to TableSortDefDelAll()
> > > > Just forgot to update the dox :-( In the next version it will
> be
> > > fixed.
> > > >
> > > > - Persistent AFL variables:
> > > > The next version of ABtool will have global and persistent
> AFL
> > > > variables implemented. Persistent means "always available";
> ie.
> > > they
> > > > got saved and restored automatically. The user can save
> copies of
> > > > single number variables and string variables in persistent
> area,
> > > and
> > > > recall them whenever he/she likes. Each variable is
> identified by
> > > a
> > > > unique name the user gives the variable. So, this is like the
> > > environment
> > > > variables, but env vars are limited to string type only and
> are
> > > limited
> > > > by size and the number of envvars by the operating system.
> The
> > > persistent
> > > > variables don't have any limitations. Put as much vars as you
> > > like there
> > > > (also very long strings), and they will be available even
> after
> > > restarting
> > > > AB or the plugin.
> > > >
> > > > I'm just testing it. Till then.
> > > > UM
------------------------ Yahoo! Groups Sponsor ---------------------~-->
Rent DVDs from home.
Over 14,500 titles. Free Shipping
& No Late Fees. Try Netflix for FREE!
http://us.click.yahoo.com/BVVfoB/hP.FAA/uetFAA/GHeqlB/TM
---------------------------------------------------------------------~->
Send BUG REPORTS to bugs@xxxxxxxxxxxxx
Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
-----------------------------------------
Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
(Web page: http://groups.yahoo.com/group/amiquote/messages/)
--------------------------------------------
Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html
Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
|