Re: Rank order
- From: Richard Ulrich <Rich.Ulrich@xxxxxxxxxxx>
- Date: Tue, 04 Apr 2006 18:18:51 -0400
- or, an alternative track to what I just said -
On Tue, 04 Apr 2006 16:50:22 -0400, Richard Ulrich
<Rich.Ulrich@xxxxxxxxxxx> wrote:
On 4 Apr 2006 08:42:17 -0700, "alves" <alves.paulo@xxxxxxxxx> wrote:RU >
Hi,
I have a dataset with 20 years and in each year 40 countries are ranked
on a variable. I need to check if the ranking are statistically the
same over the period or not. I was looking at the Kendall's Coefficient
of concordance, but in this case the H0 is that W=0, in other words
that the correlation between ranking is 0. What I need is H0=1.
Sorry if this is a silly question, but I would really appreciate some
help...
You need help in constructing the hypothesis.
Starting from there:
If you are looking to demonstrate stability of a trait
for 20 years, across 40 countries, you are working under
a great handicap if you only use the annual RANKs.
A lot more should be possible if you can work from
the original, raw numbers for <whatever>.
--
Rich Ulrich, wpilib@xxxxxxxx
http://www.pitt.edu/~wpilib/index.html
.
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- From: Richard Ulrich
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