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| POISSON |
| Category: | Probability |
| See: | CDF |
| Syntax | |
| Arguments | |
| Details | |
| Examples |
Syntax |
| POISSON(m,n) |
| Range: | m ![[ge]](../common/images/ge.gif) 0 |
| Range: | n 0 |
| Details |
The POISSON function returns the probability that an observation from a Poisson distribution, with mean m, is less than or equal to n. To compute the probability that an observation is equal to a given value, n, compute the difference of two probabilities from the Poisson distribution for n and n- .
| Examples |
| SAS Statements | Results |
|---|---|
x=poisson(1,2); |
0.9196986029 |
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Copyright 1999 by SAS Institute Inc., Cary, NC, USA. All rights reserved.