>----- Oorspronkelijk bericht ----- >Van: zhijie zhang [mailto:[EMAIL PROTECTED] >Verzonden: zaterdag, juli 1, 2006 08:50 AM >Aan: [email protected] >Onderwerp: [R] general linear model and generalized linear model > >Dear friends, > I searched the R site and found a lot of results on general linear model >and generalized linear model , and i was confused by them. Here, I only want >to get some concise answers on the following questions and i'll study it by >your hints: > 1. Which function(package) could be used to fit the general linear model ?
Function lm from the stats package (which comes with R). See ?lm >2. Which function(package) could be used to fit the generalized linear model >? Function glm from the stats package. See ?glm Chapter 11 of `An Introduction to R' (which comes with R and is available on CRAN) is devoted to statistical models in R and has sections on linear models and generalized linear models. Cf. http://cran.r-project.org/manuals.html >3. How to tell them which variables in my dataset are categorical variables >that will be used as dummy variables? You should (only) make sure these variables are so-called factors (which is the way R represents categorical variables). Chapter 4 of `An Introduction to R' is entirely devoted to factors. HTH, Tobias >Thanks very much! > > >-- >Kind Regards, >Zhi Jie,Zhang ,PHD >Department of Epidemiology >School of Public Health >Fudan University >Tel:86-21-54237149 > > [[alternative HTML version deleted]] > >______________________________________________ >[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
