
{{alias}}( k )
    Returns the expected value of a chi-squared distribution.

    If provided `NaN` as any argument, the function returns `NaN`.

    If provided `k < 0`, the function returns `NaN`.

    Parameters
    ----------
    k: number
        Degrees of freedom.

    Returns
    -------
    out: number
        Expected value.

    Examples
    --------
    > var v = {{alias}}( 11.0 )
    11.0
    > v = {{alias}}( 4.5 )
    4.5

    See Also
    --------

