Error in if (n > 0)
On Wed, 22 Aug 2012, David Winsemius wrote:
It is not saying there are zero values for concentration.... it is saying there are groups with zero elements:
Thank you very much, David.
table(cu.t$ceneq1, cu.t$era)
Mining Pre-mining
FALSE 723 0
TRUE 183 9
That's interesting. I did not realize that cenboxplot() (or cenros) cannot accommodate only censored data in one era. Sigh. I'll work around it. Regards, Rich