Hi All, I want to enclose with() in a function mean_on_element. Obviously, it is not working. The problem is how to specify the element name with a function body. Does anybody have any suggestion? Thanks!
> data=list(x=1:10) > with(data, mean(x)) [1] 5.5 > > mean_on_element=function(data, elem_name) { + with(data, mean(elem_name)) + } > mean_on_element(data, 'x') [1] NA Warning message: In mean.default(elem_name) : argument is not numeric or logical: returning NA -- Tom ______________________________________________ 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-contained, reproducible code.