Robert M. Flight wrote: > > So I have a list variable, and each item has a name. Is it possible to > return just the names in the list and not the contents of each one? > > Example: > > Currently, if I have a list variable "matrices", and it contains 3 > matrices, "M1", "M2", and "M3", if I type: > > matrices, R returns $M1 -> listing of numbers in matrix; $M2 -> > listing of numbers in matrix, and $M3 -> listing of numbers in the > matrix. > > Is there a way to have it return only the names $M1, $M2, $M3? > > I know this seems trivial and I'm sure it has been asked before, but I > can't find it. > > Thanks in advance. > > -Robert >
?names The help.search() function can be useful for finding functions when you know what you want to get done, but not which function does it. For example: help.search( "names" ) Would list several functions and their descriptions would help you find the one you wanted. -Charlie ----- Charlie Sharpsteen Undergraduate-- Environmental Resources Engineering Humboldt State University -- View this message in context: http://n4.nabble.com/list-names-tp1598316p1598330.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
