[amibroker] Re: Need help with Explore code

["alannortham" <anortham@xxxxxxx>]

Hi Bob,

Thanks for encouragement.  I am new to AMIBroker and have not got so 
far as to try backtesting so when you say check your backtested 
periodicity setting I do not know what that means, YET!  Can you 
explain?  Maybe this will be my start into backtesting.

Thanks,
Alann

--- In amibroker@xxxxxxxxxxxxxxx, "Bob Jagow" <bjagow@xxxx> wrote:
> The formula is correct.
> Check your Backtester periodicity setting.
> 
> Regards,
> Bob
> 
> 
> -----Original Message-----
> From: alannortham [mailto:anortham@x...]
> Sent: Friday, November 05, 2004 11:02 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: Need help with Explore code
> 
> 
> 
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "Bill Barnard" <wbarnard@xxxx>
> wrote:
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "alannortham" <anortham@xxxx>
> wrote:
> > >
> > > I tried the following code which is suppose to filter my stocks
> > when
> > > the short term ema is above the longer term ema for the last 30
> > > days.  However when I run it, it gives an error message saying I
> > need
> > > to define a NumColumn variable.  I know how to add a new column
> but
> > I
> > > am not sure what the array needs to be.  Can anyone help me get
> > this
> > > code working?
> > >
> > > <==Start Code==>
> > > st=ema(c,10);
> > > >lt=ema(c,20);
> > > >filter=sum(st>lt,30)==30;
> > > <==End Code==>
> > >
> > > Thanks,
> > > Alan
> >
> >
> >
> > Hi Alan,
> >
> > Try this:
> >
> > st=EMA(C,10);
> > lt=EMA(C,20);
> > Filter=Sum(st>lt,30)==30;
> > AddColumn(C, "Close");
> >
> >
> > Bill
> 
> Thanks Bill for the response and for the code improvement.  Adding
> the AddColumn gets rid of the error message however, when I run the
> scan it lists stock tickers who's short term ema is above the longer
> term ema as well as stock tickers who's long term ema is above the
> short term ema.  There still needs to be some code improvement so
> that only the stock tickers are listed who's short term ema is
> currently above the long term ema and has been for at least the last
> 30 day's.  Any ideas?
> 
> Alan
> 
> 
> 
> 
> 
> 
> Check AmiBroker web page at:
> http://www.amibroker.com/
> 
> Check group FAQ at:
> http://groups.yahoo.com/group/amibroker/files/groupfaq.html
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