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Date:         Thu, 22 Feb 2001 09:08:52 -0800
Reply-To:     Dale McLerran <dmclerra@MY-DEJA.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Dale McLerran <dmclerra@MY-DEJA.COM>
Subject:      Re: hierarchical regression
Comments: To: max8ca@yahoo.com
Content-Type: text/plain

Max,

With PROC REG you can use syntax like the following:

PROC REG; MODEL y = x1 x2; TEST x1=0, x2=0; MODEL y = x1-x4; TEST x3=0, x4=0; /* test x3 & x4 with x1 & x2 in model */ MODEL y = x1-x7; TEST x5=0, x6=0, x7=0; /* test x5-x7 with x1-x4 in model */ RUN;

Similar tests can be constructed in PROC GLM using the CONTRAST statement. However, I think this is enough to get you going.

Dale

>Date: Wed, 21 Feb 2001 09:12:41 -0800 >Reply-To: max8ca@YAHOO.COM >From: max8ca@YAHOO.COM >Subject: hierarchical regression >To: SAS-L@LISTSERV.UGA.EDU > >Hello, > >I need to run a regression in which three blocks of >variables will be entered separately (i.e. >hierarchical regression) and F change (after each >additional block is entered) will be generated. How do >I get F change using either GLM or REG, etc. Thanks. > > >Max > >__________________________________________________ >Do You Yahoo!? >Yahoo! Auctions - Buy the things you want at great prices! http://auctions.yahoo.com/

--------------------------------------- Dale McLerran Fred Hutchinson Cancer Research Center mailto: dmclerra@fhcrc.org Ph: (206) 667-2926 Fax: (206) 667-5977 ---------------------------------------

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