ok, and then I can get the M stat by:
display (r(N_pos)-r(N_neg))/2
correct?
----- Original Message ----
From: Richard Goldstein <[email protected]>
To: [email protected]
Sent: Thursday, October 9, 2008 1:53:42 PM
Subject: Re: st: m stat for sign test
this information is saved by Stata as part of standard practice -- to
see what is saved type -return li- after you run -signtest- or look at
the help file or the manual
Rich
Chris Witte wrote:
> The excerpt below is taken from SAS's help. This is what I would like in addition to the p-value:
>
> Sign Test
>
> PROC UNIVARIATE calculates the sign test statistic as
>
> M=(n+ -n- )/2
>
> where n+ is the number of values that are greater than mu_o and n- is the number of values that are less than mu_o. Values equal to mu_o are discarded. Under the null hypothesis that the population median is equal to mu_o
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