Thanks Matt, for the link. I was just curious about the distribution of DFBETAS.
-----Original Message-----
From: Zack, Matthew M. (CDC/ONDIEH/NCCDPHP) [mailto:
[hidden email]]
Sent: Tuesday, April 17, 2012 5:06 PM
To: Salbod, Mr. Stephen
Subject: RE: DFBETAS
In the SAS (!?) manual for regression diagnostics, an absolute value of 2 is described as a cutoff for DFBETAs, and an absolute value of 2/square root(number of observations) is described as a size-adjusted cutoff for DFBETAs:
http://support.sas.com/documentation/cdl/en/statug/63033/HTML/default/viewer.htm#statug_reg_sect040.htmThis Internet site also cites the 1980 reference for this regression diagnostic.
Matthew Zack
-----Original Message-----
From: SPSSX(r) Discussion [mailto:
[hidden email]] On Behalf Of Salbod
Sent: Tuesday, April 17, 2012 12:54 PM
To:
[hidden email]
Subject: DFBETAS
Is there a test of significance available for DFBETAS?
TIA,
Stephen Salbod, Pace University, NYC
--
View this message in context:
http://spssx-discussion.1045642.n5.nabble.com/DFBETAS-tp5647017p5647017.htmlSent from the SPSSX Discussion mailing list archive at Nabble.com.
=====================
To manage your subscription to SPSSX-L, send a message to
[hidden email] (not to SPSSX-L), with no body text except the command. To leave the list, send the command SIGNOFF SPSSX-L For a list of commands to manage subscriptions, send the command INFO REFCARD
=====================
To manage your subscription to SPSSX-L, send a message to
[hidden email] (not to SPSSX-L), with no body text except the
command. To leave the list, send the command
SIGNOFF SPSSX-L
For a list of commands to manage subscriptions, send the command
INFO REFCARD
Locked
