@stdlib/stats
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Standard library statistical functions.
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{{alias}}( λ )
Returns the variance of a Poisson distribution.
If provided `NaN` as any argument, the function returns `NaN`.
If provided a negative value for `λ`, the function returns `NaN`.
Parameters
----------
λ: number
Mean parameter.
Returns
-------
out: number
Variance.
Examples
--------
> var v = {{alias}}( 11.0 )
11.0
> v = {{alias}}( 4.5 )
4.5
See Also
--------