[SciPy-dev] Possible Error in Kendall's Tau (scipy.stats.stats.kendalltau)

Almer S. Tigelaar almer@gnome....
Wed Mar 18 04:25:02 CDT 2009


Hi Sturla,

Thanks for your reaction(s).

On Tue, 2009-03-17 at 22:16 +0100, Sturla Molden wrote:
> Wrong. Since the tie in in x and y, this pair should be ignored. T =  U = 0.

*Ponders* .... well it does intuitively make sense that if the tie
occurs in the same pair it would be ignored. Since it does not provide
any evidence of the rankings being more dissimilar. Good point.

However, do I interpret you correct that minitab disagrees with this?

-- 
With kind regards,

Almer S. Tigelaar




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