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st: Output of Kruskal - Wallis test [Stata 9.1]


From   "Herve STOLOWY" <stolowy@hec.fr>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Output of Kruskal - Wallis test [Stata 9.1]
Date   Sun, 06 Nov 2005 14:35:08 +0100

Dear All:

I run the Kruskal - Wallis tests of differences between groups. (In reality, I use a variation -kwallis2- [donwloadable from ssc] which provides the rank mean as well as the rank sum (-kwallis- only provides the ranksum).

kwallis2 index2, by(sodas3cl)

One-way analysis of variance by ranks (Kruskal-Wallis Test)

sodas3cl Obs   RankSum  RankMean 
--------------------------------
  1       40   1027.50     25.69
  2       32   2529.00     79.03
  3       28   1493.50     53.34

Chi-squared (uncorrected for ties) =    60.477 with    2 d.f. (p = 0.00010)
Chi-squared (corrected for ties)   =    61.365 with    2 d.f. (p = 0.00010)

I would like to know if there is an easy way to get the output (especially the rank mean and the p-value of the chi-square) in a tab-delmimitated file (beside the solution of cut and paste to excel).

When I type -return list-, I get almost nothing: 

return list

scalars:
                 r(N) =  0

So, I cannot use the usual tools (such as -makematrix-). 

Is there another command which would produce the rank mean?

Best regards

Hervé Stolowy




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