Dakota Reference Manual  Version 6.4
Large-Scale Engineering Optimization and Uncertainty Analysis
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The parameter for the Poisson distribution, the expected number of events in the time interval of interest


Alias: none

Argument(s): REALLIST


The density function for the poisson distribution is given by:

\[f(x) = \frac{\lambda e^{-\lambda}}{x!}\]

where $\lambda$ is the frequency of events happening, and x is the number of events that occur.