[R] update.lm question

Hello, at the Rgui command line I can easily remove a term from a fitted lm object, like fit - lm(y~x1+x2+x3, data=myData) update(fit, .~.-x1) However, I would like to do this in a function with term given as string, like removeTerm - function(linModel, termName) { ??? } removeTerm(fit, x1)

Re: [R] update.lm question

) removeTerm4(fit, x1) removeTerm5(fit, x1) Any help appreciated, kind regards, Karsten Weinert 2009/11/15 David Winsemius dwinsem...@comcast.net: You need to review: ?update ?update.formula ?as.formula The way should be clear at that point. If not, then include a reproducible data example

Re: [R] update.lm question

Thanks Duncan and David for opening my eyes :-). It took quite a while but I think I learned a lot about lm today. I used your advice to produce added variable plots as mentioned here [1], [2]. I would bet someone did it in R already (may leverage.plot in car) but it was worth doing it myself.

[R] SweaveListingUtils question

Hello, recently I read about the SweaveListingUtils package and now I want to try it out. However, I can not make it work... Below a minimal example. The problem seems to be the following line (generated by SweaveListingPreparations()?):

[R] SweaveListingUtils question

Hello group, recently I read about the SweaveListingUtils package and now I would like to try it out. However I can not make it run... Below is a minimal example. The problem seems the following line, generated by the package:

[R] SweaveListingUtils question

Hello group, recently I read about the SweaveListingUtils package and now I would like to try it out. However I can not make it run... Below is a minimal example. The problem seems the following line, generated by the package:

[R] mosaic plot with two factors and one continous variable

Hello, my dataset is already aggregated: I have two categorical variables, say continent and country and one non-negative metric variable population. Now I would like to produce a mosaic plot which uses population to determine how large each area of the plot is. In other words, I fail to find out

Re: [R] rpy2 -- show console window

show the console? Any hint appreciated, Karsten Weinert. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self

[R] rpy2 -- show console window

show the console? Any hint appreciated, Karsten Weinert. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self