From thomas.friedrichsmeier at ruhr-uni-bochum.de  Thu Mar 29 21:49:35 2007
From: thomas.friedrichsmeier at ruhr-uni-bochum.de (Thomas Friedrichsmeier)
Date: Thu, 29 Mar 2007 21:49:35 +0200
Subject: [Rd] small bug in ansari.test
In-Reply-To: <200703292139.21253.thomas.friedrichsmeier@ruhr-uni-bochum.de>
References: <200703292139.21253.thomas.friedrichsmeier@ruhr-uni-bochum.de>
Message-ID: <200703292149.39133.thomas.friedrichsmeier@ruhr-uni-bochum.de>

On Thursday 29 March 2007 21:39, Thomas Friedrichsmeier wrote:
> The help page for ansari.test() says (emphasis added):
>
> 	By default (if exact is not specified), an exact p-value is computed if
> both samples contain less than 50 finite values **and there are no ties**.
> Otherwise, a normal approximation is used.
>
> However, this does not appear to be the case in R 2.4.1 or R 2.5.0.

Well, to be precise, the exact p-value really isn't computed in this case, but 
there's still the warning, as though exact=TRUE had been specified, which I 
don't believe is intended.

Regards
Thomas Friedrichsmeier
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[Rd] small bug in ansari.test
Thomas Friedrichsmeier