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Filter = IsNull(ROC(C,102));
or
Filter = BarCount < 102;
AddColumn( C, "Close", 1.3);
AddColumn( BarCount, "BarCount", 1.0);
Regards,
William Peters
www.amitools.com
-----Original Message-----
From: Jim [mailto:bankedout@xxxxxxxxxxxxx]
Sent: January Friday 16, 2004 3:22 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: Exploration to find "Empty" values
"> If they haven't been trading you should be able to filter on
Close.
> Either way, check out the IsNull function."
I want them to be trading. I'm looking for stocks with less than 2
years of price history. Initial Public Offerings etc.
I tried this:
Filter= ROC(C,102)=IsNull;
AddColumn (ROC(C,104),"2yr%chg");
And then tried pushing Explore. Amibroker does not like this. It
points to right before the = sign and tells me I have a syntax
error. I'm trying to "tell" Amibroker that I want those stocks
which have ROC(C,102) value of "nothing" (not ZERO).
Any ideas?
Jim
---------------------------------------------------------------------
--- In amibroker@xxxxxxxxxxxxxxx, "sloughbridge" <sloughbridge@xxxx>
wrote:
> --- In amibroker@xxxxxxxxxxxxxxx, "Jim" <bankedout@xxxx> wrote:
> > Hello,
> >
> > I am wondering how to do something with an exploration.
> >
> > If I Filter my database for Close > Zero, it will return all of
my
> > stocks.
> >
> > If I then Add a Column which displays the Rate of Change for the
> > Close,102 weeks This displays mostly stocks with a number
value.
> > Either positive or negative, depending on how their price has
> > changed over the past 2 years.
> >
> > But, if I sort by this ROC 2 years column, there are quite a few
> > results where there is no value. I'm guessing these are issues
> > which haven't been trading for 2 years.
> >
> > How do I screen specifically for ROC(C,120)="No Value"
> >
> > What do I put in place of "No Value"?
>
> If they haven't been trading you should be able to filter on
Close.
> Either way, check out the IsNull function.
Send BUG REPORTS to bugs@xxxxxxxxxxxxx
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