Unfortunately, the data are *non-negative*, not strictly positive. Zero is a valid and frequent inter-arrival time. It is, IIRC, the most likely value of a (negative) exponential distribution.
-- M. Edward (Ed) Borasky mailto:[EMAIL PROTECTED] http://www.borasky-research.net "Suppose that tonight, while you sleep, a miracle happens - you wake up tomorrow with what you have longed for! How will you discover that a miracle happened? How will your loved ones? What will be different? What will you notice? What do you need to explode into tomorrow with grace, power, love, passion and confidence?" -- L. Michael Hall, PhD > -----Original Message----- [snip] > if you data are positive, you could use > > sm.density(..., positive=TRUE) ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help