
{{alias}}( c )
    Returns the standard deviation of a Bradford distribution with shape
    parameter `c`.

    If `c <= 0`, the function returns `NaN`.

    Parameters
    ----------
    c: number
        Shape parameter.

    Returns
    -------
    out: number
        Standard deviation.

    Examples
    --------
    > var v = {{alias}}( 0.1 )
    ~0.289
    > v = {{alias}}( 0.5 )
    ~0.288
    > v = {{alias}}( 10.0 )
    ~0.276

    See Also
    --------

