Dear Federico and Kum-Hoe, The Anova function in the car package will compute "Type II" or "Type III" tests (with the former as the default); anova() computes "Type I" (sequential) tests. Be careful with the contrast coding for Type III tests.
Regards, John -------------------------------- John Fox Department of Sociology McMaster University Hamilton, Ontario Canada L8S 4M4 905-525-9140x23604 http://socserv.mcmaster.ca/jfox -------------------------------- > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Federico Calboli > Sent: Wednesday, April 06, 2005 7:49 AM > To: Kum-Hoe Hwang > Cc: r-help > Subject: Re: [R] how to estimate Type I, Type III SS > > On Wed, 2005-04-06 at 21:40 +0900, Kum-Hoe Hwang wrote: > > Howdy, R gurus > > I 'd like to know hwo to calculate or estimate SS of Type > I and Type > > III in ANOVA or other anaysis in R. > > Thanks, > > If memory seves me well, try Anova in the car package > > F > -- > Federico C. F. Calboli > Department of Epidemiology and Public Health Imperial > College, St Mary's Campus Norfolk Place, London W2 1PG > > Tel +44 (0)20 7594 1602 Fax (+44) 020 7594 3193 > > f.calboli [.a.t] imperial.ac.uk > f.calboli [.a.t] gmail.com > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
