[R] Sample Poisson Distribution

(Ted Harding) ted.harding at nessie.mcc.ac.uk
Wed Feb 7 20:10:21 CET 2007


On 07-Feb-07 Ted Harding wrote:
> On 07-Feb-07 Thor wrote:
>> [...]
>> So far I have figured out:
>> 
>>> N <- 1000
>>>  x <- rpois(N, 3.1) ,
> 
> Comment: The Poisson distribution has only one parameter, lambda,
> so it should be rpois(N, lambda), e.g. rpois(N, 3). You will get
> an error with your second parameter "1".

OOOPS!! My eyesight let me down here, or else it was a speck on my
computer screen! Of course I now see it is "3.1" and not "3,1", so
wherever I wrote "3" before it should be "3.1"!

Ted.

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Date: 07-Feb-07                                       Time: 19:10:18
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