@stdlib/stats
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Standard library statistical functions.
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{{alias}}( σ )
Returns the expected value of a Rayleigh distribution.
If provided `NaN` as any argument, the function returns `NaN`.
If provided `σ <= 0`, the function returns `NaN`.
Parameters
----------
σ: number
Scale parameter.
Returns
-------
out: number
Expected value.
Examples
--------
> var v = {{alias}}( 11.0 )
~13.786
> v = {{alias}}( 4.5 )
~5.64
See Also
--------