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I see
the beta releases of ABTool and AmiBroker similar in that the developers in both
cases are anxious to share their efforts with us at the earliest
opportunity. The downside to us is that every "i" hasn't been dotted
and the documentation tends to lag. To be critical of this
method of software distribution, however, might mean that we don't see such
software and/or enhancements until they
are "finished". I prefer to see things just as they
are I'm sure many others here share that sentiment.
<FONT face=Arial color=#0000ff
size=2>
While
UM is busy fixing some minor bugs and adding new features, many of us are
already making use of the software. That's as close to heaven as I'm
likely to get in my lifetime.
<BLOCKQUOTE
>
<FONT face="Times New Roman"
size=2>-----Original Message-----From: Fred
[mailto:fctonetti@xxxxxxxxx]Sent: Monday, May 05, 2003 8:39
PMTo: amibroker@xxxxxxxxxxxxxxxSubject: [amibroker] Re:
Additions to ABtool v0.0.5 betaThanks for the
confidence.For folks that have done C++ or similar programming,
concepts like "\n" are probably cake as are the fact that "," can't be
added behind numbers in FileWriteNum statements and I know this is beta,
but even for those that have done their share of programming in
unrelated languages in the past there isn't enough info to keep this
from initially being a semi-painful experience. --- In
amibroker@xxxxxxxxxxxxxxx, "Chuck Rademacher" <chuck_rademacher@x>
wrote:> Fred,> > I knew you were bright
enough!> -----Original Message----->
From: Fred [mailto:fctonetti@xxxx]> Sent: Monday, May 05,
2003 8:20 PM> To:
amibroker@xxxxxxxxxxxxxxx> Subject: [amibroker] Re:
Additions to ABtool v0.0.5 beta> > > Forget
it ... I trial and errored it until I found what I needed.>
> --- In amibroker@xxxxxxxxxxxxxxx, "Fred"
<fctonetti@xxxx> wrote:> > Is this what you mean
by "leap frogging" ?> >> > Since I
apparently am not bright enough after several attempts
to> > glean enough info out of the example in the
zip to get it correct,> > can someone take the
example in the zip and show how one would>
create> > comma delimited records in the file that
contain Symbol (ticker),> > Date, and closing price
?> >> > Thanks in
advance> >> > --- In
amibroker@xxxxxxxxxxxxxxx, "Chuck Rademacher"> >
<chuck_rademacher@x> wrote:> > >
UM...> > >> > > You are
quite correct. You have provided the tool(s) to do
the> > job. It is> >
> up to the developer to take advantage of one or more of the
tools> > to suit> > > his
or her needs. A little bit of creativity is all that
is> > required.> >
>> > > All of these things were achievable before,
but your DLL sure> makes> > it
much> > > more manageable.> >
> -----Original Message-----> >
> From: uenal.mutlu@xxxx
[mailto:uenal.mutlu@xxxx]> > > Sent:
Monday, May 05, 2003 6:56 PM> > > To:
amibroker@xxxxxxxxxxxxxxx> > > Subject:
Re: [amibroker] Re: Additions to ABtool v0.0.5 beta> >
>> > >> > >
Fred, you wrote> > >> >
> > Will the addition of the TABLE related commands allow
tables> to> > >
> be built in memory with symbol or stocknum along one
access> and> > >
> datetime along the other and then filling the cells
with> > scoring or> >
> > ranking information for each member of the
watchlist ?> > >> >
> yes, of course, because now we have loops, browsing thru
all> > > stocks, file I/O, and finally
tables incl. exporting them to> CSV>
> files.> > > So, I think all parts
are already there; it's up to you what> >
you're> > > going to do with these
possibilities.> > >> >
> In private email I had explained you how my
"portfolio"> > > backtester works: via
AFL I compute a score and add> > > this
to the results table. That table is exported and the> >
> content analyzed on a daily basis to determine the
stocks> > > to choose for that day. This
then is added to the "portfolio"> > >
of the tester, and the tester keeps track on how good or>
> > bad the results look like.> >
>> > > I'll write a skelletton AFL
code to demonstrate this (though> > > I'm
afraid I'm not that knowledgeful (sp?) in this field
than> > > you and others already are
if one looks to the contributions> > >
made in previous discussions).> >
>> > > But IMHO it must be done in two
phases: the (unfiltered)> > > output of
AB must be sorted and filtered by either an> >
> external program or a second AFL script. "Unfiltered"
because> > > of the necessary
sorting/ranking of the calculated scores for> >
> each stock for each day. And: the results (profit, MaxDD
etc.)> > > must be computed by your
own code, becaue ABs BT IMHO> > > can't
be used for this. The result will usually be an autom.>
> > generated CSV file for visual inspection in
Excel.> > > Just a tip: if you put all
the fields necessary from the stocks> >
> database (ie. quotes) to ABs result table (for export) and
also> > > do let AB do most of the
calculations (indicators, scores>
etc.),> > then in> > >
the> > > next phases you no more need
access to ABs DB or (re)calculate> > them
etc...> > > UM> >
>> > > PS: I'm going to implement
TableImport() to ABtool for> > > building
such a table autom. from any external CSV file...> >
> That way also the resulting table of Scan, Explore,
Optimize,> > > and Backtest can be
further analyzed programmatically in a>
script.> > >> >
>> > > ----- Original Message
-----> > > From: "Fred"
<fctonetti@xxxx>> > > To:
<amibroker@xxxxxxxxxxxxxxx>> > >
Sent: Monday, May 05, 2003 10:30 PM> > >
Subject: [amibroker] Re: Additions to ABtool v0.0.5 beta>
> >> > >> >
> > Uenal,> > >
>> > > > Please reread my original
email, you're answering questions>
I'm> > not> > >
> asking as opposed to the ones I did ask.> >
> >> > > > Best
regards> > > >>
> > > --- In amibroker@xxxxxxxxxxxxxxx, uenal.mutlu@xxxx
wrote:> > > > > Hi
Fred,> > > > > these routines are
written in C++ and therefore they can of> >
course> > > > > also be used in C++
(ie. a compiler). An interpreter is by> >
design> > > > > slower; but also
the cleverness of the methods/algorithms>
one> > > > > uses decides about the
performance of an application. So if> >
done> > > > > efficiently, then it
will be fast. The alternative would be> >
doing> > > > it in>
> > > > a compiled language like C/C++ or Assembler
:-) But that's> > much> >
> > > harder than realizing it in an
interpreter.> > > > > The faster
your machine is the faster will be the code, so> >
since> > > > > machines get much
faster every quarter or so the performance> >
> > > problem disappeares "naturally" if one can afford
the> > > > > newest/fastest
computing power.> > > > > BTW, I
think it was Chuck who wrote that the ABtool had>
saved> > > > > him about 12 hours
processing time.> > > > > It is
advisable that before starting a big project better>
one> > > > should>
> > > > do some speed benchmarks
etc.> > > > >
UM> > > > >>
> > > >> > > >
> ----- Original Message -----> > >
> > From: "Fred" <fctonetti@xxxx>> >
> > > To:
<amibroker@xxxxxxxxxxxxxxx>> > >
> > Sent: Monday, May 05, 2003 6:48 PM> >
> > > Subject: [amibroker] Re: Additions to ABtool v0.0.5
beta> > > > >>
> > > >> > > >
> > Uenal,> > > > >
>> > > > > > Will the
addition of the TABLE related commands allow> > tables
to> > > > be> >
> > > > built in memory with symbol or stocknum along
one access> and> >
> > datetime> > > >
> > along the other and then filling the cells with scoring
or> > > > ranking>
> > > > > information for each member of the
watchlist ?> > > > >
>> > > > > > If this were the
case this would allow for in memory> > scoring
and> > > > > > ranking bar by
bar which one could then sort and use a>
test> > for> > >
> > > driving buy/sell signals.> >
> > > >> > > >
> > I assume this is not what can be done given how the
AFL> > processor> >
> > > > works and that in order to do what I am
suggesting one> > would need> >
> > to> > > > >
> write the results out to a file in one pice of AFL
and> then> > read>
> > > it> > > >
> > back in another.> > > > >
>> > > > > > I Look forward
to your comments ...> > > > >
>> > > > > >
Fred> > >> >
>> > >> >
>> >
> Yahoo! Groups
Sponsor> > >> >
>> > >> > >
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