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Herman,
thank you for the quick response.
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "Herman vandenBergen" <psytek@xxxx>
wrote:
> Hello DT, like I write earlier: I had some as yet undiagnosed
problems. No
> need for you to worry, you can rest assured my problems had nothing
to do
> with calculation or accuracy of Composites, they are accurate.
>
> It had to do with things simply not working the way I wanted too,
it would
> not be something that could creep into your work unnoticed, you'll
know it
> the minute you click your mouse :-)
>
> Frankly I wish I hadn't made those comments, but you know the way
it is:
> once on the Internet there is no taking back.
>
> take care,
> Herman.
>
>
> -----Original Message-----
> From: DIMITRIS TSOKAKIS [mailto:TSOKAKIS@x...]
> Sent: December 1, 2003 5:04 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: Writing Arrays to the Database
>
>
> Herman,
> I did not notice any problem with composites charting or
backtesting
> till now.
> It would help to post some example, if there is some time of
course,
> to see what you mean.
> I put real money on composites signals, it would be better to know
> the wrong case !!
> Dimitris Tsokakis
> --- In amibroker@xxxxxxxxxxxxxxx, "Herman vandenBergen"
<psytek@xxxx>
> wrote:
> > Sorry: I wrote to soon. Memory fails me sometimes, I apologize
for
> the
> > misquote.
> >
> > I have been having problems with composites however my code was
too
> > incomplete/complex to trace/pinpoint the exact problems at this
> time, it
> > could very well be my afl coding. I do know that there are some
> differences
> > between Composites and Stocks that give 'me' problems when
> developing
> > systems to trade the Equity... perhaps I may be able to give
more
> details
> > later.
> >
> > Now it is time to power up your latest release and marvel!
> >
> > best regards,
> > herman
> >
> > -----Original Message-----
> > From: Tomasz Janeczko [mailto:amibroker@x...]
> > Sent: December 1, 2003 7:21 AM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: Re: [amibroker] Writing Arrays to the Database
> >
> >
> > Herman,
> >
> > I am quite surprised with this post, especially:
> >
> > > you cannot run your backtester on composites,
> > Why do you think so ?
> >
> > > you cannot display standard charts on composites, etc.
> > Why do you think so ?
> >
> >
> > Hope this helps.
> >
> > Best regards,
> > Tomasz Janeczko
> > amibroker.com
> > ----- Original Message -----
> > From: Herman vandenBergen
> > To: amibroker@xxxxxxxxxxxxxxx
> > Sent: Monday, December 01, 2003 12:02 AM
> > Subject: RE: [amibroker] Writing Arrays to the Database
> >
> >
> > The easiest way is to copy your custom arrays to a Composite
> (see
> > AddToComposite() and the tutorial on the AB website). You can
> recall (read
> > back) the contents of a Composite file with the Foreign().
> Composites are
> > saved on your hard disk in the Data (default) directory; they
stay
> there
> > until you delete them.
> >
> > Alternatively you could use the Osaka plugin and create
tables
> with your
> > custom data, these tables are also stored on your hard disk and
can
> be
> > read/written to at will.
> >
> > Since your data is probably updated each day you will have
to
> > recalculate you custom arrays daily. However, you could work
around
> this by
> > using inline composite creation - but this has other
complications.
> >
> > The only drawback with composites is that you cannot do
> everything on
> > them like you can with price arrays, for example you cannot
create a
> > composite based on composites, you cannot run your backtester on
> composites,
> > you cannot display standard charts on composites, etc. This is a
> serious
> > limitation however I get around that by omitting (against the AB
> rules) the
> > leading "~" of composites names. I have only tried this a few
times
> so you
> > have to experiment to see whether all I am saying in this
paragraph
> is
> > correct - experimentation is what makes you really get the most
out
> of AB.
> >
> > take care and good luck,
> > herman.
> > -----Original Message-----
> > From: BillBarack [mailto:wbarack@x...]
> > Sent: November 30, 2003 8:44 PM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: [amibroker] Writing Arrays to the Database
> >
> >
> > All,
> >
> > Let me try asking again.
> >
> > I calculate several arrays in a custom indicator that I
want
> to make
> > a watchlist out of so I can do Automatic Analysis on them
and
> use the
> > results screen to display multiple variables. Can I do
> > this by writing the arrays to the local database? Or do I
> have to do
> > the time consuming calculations in the AA window itself?
> >
> > If this isn't a good approach, can anyone suggest other
> approaches
> > that I might take?
> >
> > Thanks
> >
> > Bill
> >
> >
> >
> >
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