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Re: [igraph] Kendall's tau of two graph ranking list

From: MATSUDA, Noriyuki
Subject: Re: [igraph] Kendall's tau of two graph ranking list
Date: Thu, 3 Jul 2008 08:37:30 +0900


  I guess you mis-specified the function.  Use
     cor(x, y, method="kendall")

On 2008/07/03, at 6:57, lan gao wrote:

Hi, guys,
      I have 2 different ranking lists of 1000 vertices of a graph.
   Like, L1={1 ,3 ,4, 5 .......}
           L2={ 2, 5, 6, 100....}..
The numbers in each ordering list are the labels of the vertices. For example, 4 means the 4th vertex in the graph.

Now I need to calculate the kendall's tau correlation foeffienct of these two ranking lists.

I uses cov(x, y, method="kendall") . But it did not work.
Anybody can give  me any idea?
Thanks a ton.

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MATSUDA, Noriyuki  <Kanji> 松田紀之

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