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anova with gam?
2 messages · Bill Shipley, John Fox
Dear Bill, There are anova.gam methods in both the mgcv and gam packages -- perhaps you have an older version of one of these packages. I hope this helps, John -------------------------------- John Fox Department of Sociology McMaster University Hamilton, Ontario Canada L8S 4M4 905-525-9140x23604 http://socserv.mcmaster.ca/jfox --------------------------------
-----Original Message----- From: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Bill Shipley Sent: Friday, April 08, 2005 8:31 AM To: R help list Subject: [R] anova with gam? Hello. In SPLUS I am used to comparing nested models in gam using the anova function. When I tried this in R this doesn't work (the error message says that anova() doesn't recognise the gam fit). What must I do to use anova with gam? To be clear, I want to do the following: fFit1<-gam(y~x,.) fit1<-fam(y~s(x),.) anova(fit2,fit1,test="F") Thanks. Bill Shipley [[alternative HTML version deleted]]
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