search for: mycompon

How do I parse an identifier of a list component, e.g. mylist$mycomponent or mylist[[1]] ? Parse does not do the job, e.g. parse(text="mylist$mycomponent") returns an expression with just one term, instead of "mylist", "$", "mycomponent". What I need is a way to extract the list name (e.g. "mylist"), given an iden...

...(my.data.frame) summary(my.data.frame) That's fine but often the frame has a very long name so I'd prefer some shorthand way of referring to it by its position on the search list. This applies especially to cases where I have a nested data frame so I might do attach(my.data.frame$mycomponent) summary(my.data.frame$mycomponent) I have a recollection that there was a way of doing this with S-Plus but I haven't been able to figure out how to do it in R (I have looked at attach, get, sys.frame, etc. to no avail). Is there a built-in way of doing this? Thanks. Jeff...