R-beta: qpois help
maechler at stat.math.ethz.ch
Thu Mar 26 11:25:50 CET 1998
>>>>> "Bill" == Bill Simpson <wsimpson at uwinnipeg.ca> writes:
Bill> The Poisson Distribution
Bill> dpois(x, lambda) ....
Bill> lambda: vector of positive means.
Bill> Isn't lambda = 1/mean?
(maybe you are confusing with the exponential distribution,
where what S/R calls "rate" is often also written as \lambda in the text
PS. You could have tried
mean(rpois(1000, lambda = 10))
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