Re: RE: RE: [amibroker] Scan and Settings

allansn Fri, 29 Sep 2006 23:43:20 -0700

Thank you Paul,Terry and Joe,

I have been having a bear of a time calculating accurate sectors and industries in Amibroker.I dont know if its the data or the complexity of Ami..I will read up on scan and try to understand why the date range in settings has no impact on the Scan period.

Is there an AMI rule of thumb as to how far back in time one should go when using ATC to create sectors and Industries??? I have yet to successfully create a full sector/industry database with QP data that didnt have a significant number of spikes or negative volume

Allan

----- Original Message -----
From: Paul Ho <[EMAIL PROTECTED]>
Date: Friday, September 29, 2006 9:46 pm
Subject: RE: RE: [amibroker] Scan and Settings
To: [email protected]

> You can limit the date range only by using AFL statements like
>
> Dn = datenum() >= xxxxxxxx
>
> Addtocomposite(iif(Dn, realvalue, NULL), ticker, "field";
>
> That should do it.
>
> Paul.
>
> _____
>
> From: [email protected]
> [mailto:[EMAIL PROTECTED] On Behalf
> Of [EMAIL PROTECTED]
> Sent: Saturday, 30 September 2006 8:51 AM
> To: [email protected]
> Subject: Re: RE: [amibroker] Scan and Settings
>
>
>
> Hi Terry,
>
> No matter what I do,my composites are set to the full history
> which is apx
> 10 years
>
>
>
> Allan
>
> ----- Original Message -----
> From: Terry
> Date: Friday, September 29, 2006 6:23 pm
> Subject: RE: [amibroker] Scan and Settings
> To: [email protected]
>
> > I do this all the time. I set/change the date range, expecting
> > it to
> > auto-select, but it doesn't. You ALSO have to click the button
> beside> the date range.
> > --
> > Terry
> >
> > -----Original Message-----
> > From: [email protected]
> > [mailto:[EMAIL PROTECTED] On
> > Behalf Of matrix10014
> > Sent: Friday, September 29, 2006 15:37
> > To: [email protected]
> > Subject: [amibroker] Scan and Settings
> >
> > Hi,
> > Whwn i run my ATC's in Scan and have my settings set for 365
> > days,for
> > some odd reason the composite i am creating goes back 10
> > years.What do
> > i do to limit the composite to 365 days??
> >
> > Thanks,
> >
> > Allan
> >
> >
> >
> >
> >
> >
> > 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 other support material please check also:
> > http://www.amibroker.com/support.html
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
>
>

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Re: RE: RE: [amibroker] Scan and Settings

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