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That's excellent Graham - thanks for the help.
Incidentally, I was trying out your Bullish PnF composite code -
interesting stuff. I was able to generate a composite for the S&P500,
and plot the line, but when I try and apply PnF to the line chart, I
get, well, nothing except two horizontal lines. Was wondering if you
had any comment.
My other question about calculating composites is this: do I always
have to start from the beginning, or is it possible to have it only
work on new or recent data.
In the help it says "atcFlagDeleteValues = 1 - deletes all previous
data from composite symbol at the beginning of scan (recommended)"
So, if I'm NOT deleting all previous data - what happens? Does it
overwrite existing data (and thus create issues), or does it only do
the data the it currently has not processed?
Thanks!
--- In amibroker@xxxxxxxxxxxxxxx, Graham <kavemanperth@xxx> wrote:
>
> when you create the composite have one field using 1, eg
> addtocomposite(1,"~XXX","I");
>
>
> --
> Cheers
> Graham Kav
> AFL Writing Service
> http://www.aflwriting.com
>
>
> On 19/04/2008, droskill <droskill@xxx> wrote:
> > Thanks - that's helpful - I'm just trying to figure out how to
> > incorporate that into a scan without it executing on every symbol
> > everytime.
> >
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "Joe Landry" <jelandry@> wrote:
> > >
> > > droskil
> > > Here's one way but I think it's going to depend on what operation
> > you're in. Is it AA, then you can count each symbol as you step
> > through it. If you're using the custom backtester then I don't know.
> > >
> > > Here's a clip from years past. Pull the list of symbols then count
> > them within the FOR loop.
> > >
> > > JOE
> > >
> > >
> > >
> > > list = CategoryGetSymbols( categoryWatchlist, 63 );
> > >
> > > pop=0;
> > >
> > > for( i = 0; ( sym = StrExtract( list, i ) ) != ""; i++ )
> > >
> > > {
> > >
> > > pop=POP+1;
> > >
> > > }
> > >
> > > Plot(pop,"",5,2);
> > >
> > > to plot the population pop of a WL63. The result will be a flat
line,
> > >
> > > which is not correct when you have missing data, shorter or longer
> > >
> > > histories.
> > >
> > > Dimitris Tsokakis
> > >
> > > ----- Original Message -----
> > > From: droskill
> > > To: amibroker@xxxxxxxxxxxxxxx
> > > Sent: Friday, April 18, 2008 1:41 PM
> > > Subject: [amibroker] Addtocomposite - counting totals in a
watchlist
> > >
> > >
> > > Hey all - is there anyway to count the number of symbols in a
> > > watchlist? I want to make an AddtoComposite-created index a %
rather
> > > than a hard number. Is there a function to do this?
> > >
> > > Thanks!
> > >
> >
> >
> >
> > ------------------------------------
> >
> > Please note that this group is for discussion between users only.
> >
> > To get support from AmiBroker please send an e-mail directly to
> > SUPPORT {at} amibroker.com
> >
> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> > http://www.amibroker.com/devlog/
> >
> > For other support material please check also:
> > http://www.amibroker.com/support.html
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
>
------------------------------------
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