[R] robust standard error of an estimator

Hi, I have ove the robust standard error of an estimator but I don't know how to do this. The code for my regression is the following: reg<-lm(fsn~lctot) But then what do I need to do? -- Charlène Lisa Cosandier [[alternative HTML version deleted]] _

[R] drop observations

Hi, I want to drop observations with value 0 from my data.frame "dta" for each of the two variables "c01" and "ctotale". How can I do that? Thanks Charlène Lisa Cosandier [[alternative HTML version deleted]] __ R-help@r-project.org mailing l