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How 
about barindex()   simple search for stocks whose barindex() is 
greater than what ever time frame you want...
<FONT face=Arial color=#0000ff 
size=2> 
<FONT face=Arial color=#0000ff 
size=2>x=barindex()>200;  
<FONT face=Arial color=#0000ff 
size=2> 
gives 
only stocks with 200 or more bars of data....
 
Regards, 
Jayson 
<FONT face=Tahoma 
size=2>-----Original Message-----From: Jim 
[mailto:bankedout@xxxxxxxxxxxxx]Sent: Friday, January 16, 2004 3:22 
PMTo: amibroker@xxxxxxxxxxxxxxxSubject: [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@xxxxxxxxxxxxxSend 
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