I have a very short question,
Suggest a dataframe of four columns.
df <- data.frame(w,x,y,z)
I want this ordered the following way:
first by :x, decreasing = FALSE
secondly by: z, decreasing =TRUE
How can this be done ?
Archive maintained by Robert King, hosted by
the discipline of
statistics at the
University of Newcastle,
Archive generated by hypermail 2.2.0, at Fri 08 Jun 2007 - 15:31:54 GMT.
Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.