Thank you very much !!!!!!!!!!!now I have understood andreas
Often it is easier to understand
> precisely what is going on by
> looking at the code. In your case
>
> . findfile ranksum.ado
> . doedit `r(fn)'
>
> shows that Prob > |Z| is,
> in Stata language and in this case,
>
> 2 * normprob(-0.354)
>
> or
>
> 2 * (1 - normprob(0.354))
>
> In other words, it is a P-value
> calculated on the assumption that
> under the null hypothesis
> the sampling <a
href="http://www.ntsearch.com/search.php?q=distribution&v=55";>distribution</a> of z is Gaussian
> with mean 0 and variance 1. Note that
> sign is disregarded.
>
> With -ranksum- I always like to see the
> results of the -porder- option, which has
> a substantive interpretation.
>
> Nick
> [email protected]
>
> Andreas Aschbacher
>
> > I made two sample Wilcoxon-ranksum-test
> > / to show that two independent samples are from same
> > <a
href="http://www.ntsearch.com/search.php?q=distribution&v=55";>distribution</a> = H0/
> > with following results: m ... men W ... woman
> > -
> > gender | obs rank sum expected
> > -------------+---------------------------------
> > m | 3.7e+05 1.397e+11 1.398e+11
> > W | 3.7e+05 1.382e+11 1.382e+11
> > -------------+---------------------------------
> > combined | 7.5e+05 2.780e+11 2.780e+11
> >
> > unadjusted variance 8.636e+15
> > adjustment for ties -1.316e+08
> > ----------
> > adjusted variance 8.636e+15
> >
> > Ho: dosis(gender==m) = dosis(gender==W)
> > z = -0.354
> > Prob > |z| = 0.7236
> >
> >
> > -
> >
> > because of theorie in my <a
href="http://www.ntsearch.com/search.php?q=books&v=55";>books</a> and referencebook in Stata is not
> > "exactly the same" I want to assure about denotation of results ?
> > z= -0.354 is check-value - o.k.
> > but I don't understand : Prob > |z| = 0.7236
> > Confidence-intervall that H0 is right - is ~72% ??
> > but what does mean : Prob > |z| ?
>
> *
> * For searches and help try:
> * http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
--
GMX ProMail (250 MB Mailbox, 50 FreeSMS, Virenschutz, 2,99 EUR/Monat...)
jetzt 3 Monate GRATIS + 3x DER SPIEGEL +++ http://www.gmx.net/derspiegel +++
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
