Ethan Johnsons <ethan.johnsons <at> gmail.com> writes: > > A quick question please! > > How do you rename column names? i.e. V1 --> Apple; V2 --> Orange, etc. There are some nice utilities in Frank Harrell's Hmisc package. See: http://lib.stat.cmu.edu/S/Harrell/help/Hmisc/html/upData.html Also look at his Design library.