{{alias}}()
    Returns an accumulator function which incrementally computes a minimum
    value, ignoring NaN values.

    If provided a value, the accumulator function returns an updated minimum
    value. If not provided a value, the accumulator function returns the current
    minimum value.

    If no valid numbers have been provided (only NaN values), the accumulator
    function returns null. Unlike incrmin, NaN values are ignored and do not
    set the minimum to NaN.

    Returns
    -------
    acc: Function
        Accumulator function.

    Examples
    --------
    > var accumulator = {{alias}}();
    > var m = accumulator()
    null
    > m = accumulator( 3.14 )
    3.14
    > m = accumulator( NaN )
    3.14
    > m = accumulator( -5.0 )
    -5.0
    > m = accumulator( 10.1 )
    -5.0
    > m = accumulator( NaN )
    -5.0
    > m = accumulator()
    -5.0

    See Also
    --------
