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I want to change the type to factor of all variables in a data frame whose names match a certain pattern. So here I am trying to change the type to factor of all variables whose name begins with?namestub?in the dataframe?df. attach(df)sapply(grep(glob2rx("namestub*"),names(df)),as.factor) But this doesn't work since >levels(df$namestub1)NULL

Here is an example where?cbind?fails with an error when?check.names=TRUE?is set. data(airquality) airQualityBind =cbind(airquality,airquality,check.names =TRUE) ?I understand that?cbind?is a call to?data.frame?and the following works: airQualityBind =data.frame(airquality,airquality,check.names =TRUE) but I would like to understand why?cbind?throws an error. I asked this question on SO here:

I came across the distinction between the name of an object and the name of the class that it belongs to in an oblique way again today, which made me question my acceptance that it would be natural for them to differ. I asked a question on SO here: http://stackoverflow.com/questions/20762559/why-is-the-name-of-an-object-type-different-from-the-name-of-the-class-it-belong I wonder if anyone on

I am trying to compile the R package "KernGPLM" found here: http://www.marlenemueller.de/KernGPLM/KernGPLM_0.65.tar.gz since the binary available is for R 2.4. but the compilation ends with the error message: *** arch-i386 ERROR: compilation failed for the package 'KernGPLM' Here is my session info: R version 2.14.2 (2012-02-29) Platform: x86_64-pc-mingw32/x64 (64-bit)