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RE: st: Help about Ranksum - porder option

From   "Nick Cox" <>
To   <>
Subject   RE: st: Help about Ranksum - porder option
Date   Mon, 31 Oct 2005 17:38:52 -0000

A t test springs to mind, provided that its assumptions
are reasonably satisfied. 

Plotting a graph springs even more to mind. 


Óscar Becerra-CERAC
> Thanks, and can anyone suggests to me a procedure to perform 
> this test?

Richard Goldstein

> porder is taking all possible pairs (control=yes paired with 
> each control=
> no) and asking in what percent of those pairs is No larger 
> than YES; this
> does not appear to be the question you are asking; if I 
> correctly understand
> your question, I think you want a parametric procedure rather than the
> rank-sum test

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