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Hi Bob,
Thanks for the extra insight, I'll play with it. Also the debugging
columns is what I used to figure out the code. I then removed them
all in the final saved scan file. I still have the other file that
has all the debug columns as well.
Alan,
--- In amibroker@xxxxxxxxxxxxxxx, "Bob Jagow" <bjagow@xxxx> wrote:
> Alann,
> You wouldn't need the last value of Sum
> [Var=LastValue(Sum(stema>ltema,Days));] if you selected 'n last
> quotations' [or 'n last days'] =1.
> Good idea also to add 'debugging' column.
> -----
> stema=EMA(Close,7);
> ltema=EMA(Close,35);
> Days=30;
> s30 =Sum(stema>ltema,Days);
> Var=LastValue(s30);
> Filter=Var==Days;
> AddColumn(Var,"var");
> AddColumn(s30,"s30"); // same if n =1
>
> AddColumn(stema,"stema"); // check
> AddColumn(ltema,"ltema"); // check
> -----
>
> Regards,
> Bob
>
>
> -----Original Message-----
> From: alannortham [mailto:anortham@x...]
> Sent: Friday, November 05, 2004 1:12 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: Need help with Explore code
>
>
>
>
> Got it! It's set for "Daily".
>
> Thanks,
> Alann
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Bob Jagow" <bjagow@xxxx> wrote:
> > The AA Settings Tab is labeled Backtester. The Periodicity you
> choose
> > applies not only to Back Test but also to Scan and Explore.
> >
> > Regards,
> > Bob
> >
> >
> > -----Original Message-----
> > From: alannortham [mailto:anortham@x...]
> > Sent: Friday, November 05, 2004 12:35 PM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: [amibroker] Re: Need help with Explore code
> >
> >
> >
> >
> > 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
> > > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> > Check AmiBroker web page at:
> > http://www.amibroker.com/
> >
> > Check group FAQ at:
> > http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> > Yahoo! Groups Links
>
>
>
>
>
>
> Check AmiBroker web page at:
> http://www.amibroker.com/
>
> Check group FAQ at:
> http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> Yahoo! Groups Links
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