[Numpy-discussion] Noncentral chi square
Mon May 19 11:50:30 CDT 2008
On Mon, May 19, 2008 at 11:33 AM, Peck, Jon <firstname.lastname@example.org> wrote:
> Message: 1
> Date: Mon, 19 May 2008 09:20:21 -0400
> From: Neal Becker <email@example.com>
> Subject: [Numpy-discussion] noncentral_chisquare buglet?
> To: firstname.lastname@example.org
> Message-ID: <email@example.com>
> Content-Type: text/plain; charset=us-ascii
> def noncentral_chisquare(self, df, nonc, size=None):
> """Noncentral Chi^2 distribution.
> noncentral_chisquare(df, nonc, size=None) -> random values
> cdef ndarray odf, ononc
> cdef double fdf, fnonc
> fdf = PyFloat_AsDouble(df)
> fnonc = PyFloat_AsDouble(nonc)
> if not PyErr_Occurred():
> if fdf <= 1:
> raise ValueError("df <= 0") <<<????
> I think this message should be "df <= 1"?
> [>>>Peck, Jon]
> Isn't it rather that the message is correct but the test is wrong? Shouldn't it be
> if fdf <= 0 ?
<goes back over assumptions> Yes, you are correct.
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
-- Umberto Eco
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