Error in Summary.factor(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 4L, : max not meaningful for factors
On Nov 10, 2011, at 6:12 AM, Alex DJ wrote:
Thanks Duncan. This is a package, SIAR.
fo <- ordered(f) fo
[1] a b c d e Levels: a < b < c < d < e
max(fo)
[1] e Levels: a < b < c < d < e The data set has 101 values, what can I use instead of letters?
Why not as.numeric(fo)?
David Winsemius, MD West Hartford, CT