Date:         Thu, 1 May 2008 16:05:09 -0500
Reply-To:     Tom White <tw2@MAIL.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Tom White <tw2@MAIL.COM>
Subject:      Re: Hierarchical Models--Centering predictors--WHY
Comments: To: "Nordlund, Dan (DSHS/RDA)" <NordlDJ@dshs.wa.gov>
Content-Type: text/plain; charset="iso-8859-1"

Thanks much.T

  ----- Original Message -----
  From: "Nordlund, Dan (DSHS/RDA)"
  To: "Tom White" , SAS-L@LISTSERV.UGA.EDU
  Subject: RE: Re: Hierarchical Models--Centering predictors--WHY
  Date: Thu, 1 May 2008 13:59:08 -0700





  > -----Original Message-----
  > From: Tom White [mailto:tw2@mail.com] Sent: Thursday, May 01, 2008
  1:41 PM
  > To: Nordlund, Dan (DSHS/RDA); SAS-L@LISTSERV.UGA.EDU
  > Subject: Re: Re: Hierarchical Models--Centering predictors--WHY
  >
  >
  > Hello,
  >
  > I'm now confused:
  >
  > What are the titles of the good books by Singer and Willett ?
  >
  >
  > ----- Original Message -----
  > From: "Nordlund, Dan (DSHS/RDA)" To: SAS-L@LISTSERV.UGA.EDU
  > Subject: Re: Hierarchical Models--Centering predictors--WHY
  > Date: Thu, 1 May 2008 12:20:18 -0700
  >
  >
  > > -----Original Message-----
  > > From: SAS(r) Discussion [mailto:SAS-L@LISTSERV.UGA.EDU] On
  > > Behalf Of Citam
  > > Sent: Thursday, May 01, 2008 12:08 PM
  > > To: SAS-L@LISTSERV.UGA.EDU
  > > Subject: Re: Hierarchical Models--Centering predictors--WHY
  > >
  > > On 5/1/08, Tom White wrote:
  > > > Peter, Do you know of any good books worth buying from SAS
  about
  > > > Hierrachical Linear Models? I prefer books from SAS because
  > > they might
  > > > show the actual SAS syntax of the models. Tom
  > >
  > > I might recommend that you start with the following:
  > >
  > > "Using SAS PROC MIXED to fit multilevel models, hierarchical
  models,
  > > and individual growth models", Journal of Educational and
  Behavioral
  > > Statistics.
  > >
  > > http://gseweb.harvard.edu/%7Efaculty/singer/Papers/Using%20Pro
  > > c%20Mixed.pdf
  > >
  >
  > I would second Peter's recommendation of Singer and Willett's
  > book. If you want SAS code examples, the datasets and code
  > examples for the book are available from the UCLA Statiscal
  > Computing site listed below
  >
  > http://www.ats.ucla.edu/stat/examples/alda.htm
  >
  >

  Sorry for any confusion.

  Singer & Willett,
  Applied Longitudinal Data Analysis: Modeling Change and Event
  Occurrence
  Oxford University Press

  Dan

  Daniel J. Nordlund
  Research and Data Analysis
  Washington State Department of Social and Health Services
  Olympia, WA 98504-5204

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