I think this is because you have rows in the table where all groups
have zero frequency. Please inspect the table produced by your first
command. If a row contains all zeros, the test for this row cannot be
performed. Unfortunately, -mrtab- breaks in this case instead of
providing an informative message or returning missing or so. I'll see
if I can fix that.
ben
On 6/25/07, Martyn Sherriff <[email protected]> wrote:
I am using mrtab (*! version 2.19, Ben Jann, 27apr2005) with Stata 9 to
analyse multiple responses. The following works:
. mrtab q1-q15,by(group) column lrchi2 chi2
but:
. mrtab q1-q15,by(group) column mtest(bonferroni)
fails with the error message:
, not found
r(111);
I would be grateful if somebody could point out my probably obvious syntax
error or suggest how I can solve the problem.
Martyn
Dr. Martyn Sherriff
Reader in Dental Materials Science.
King's College London Dental Institute at Guy's, King's College and St
Thomas' Hospitals.
Department of Biomaterials and Biomimetics.
Floor 17, Rm 17/4, Guy's Tower, Guy's Campus.
London Bridge.
London SE1 9RT
England.
e-mail: [email protected]
Tel. +44(0)-2071-881822
Fax. +44(0)-2071-881823
Departmental Home Page: http://preview.tinyurl.com/2utscj
Community of Science Profile: http://tinyurl.com/66zr6
Fullers Rugby: www.fullerians.demon.co.uk
"The difference between winners and losers is that winners tell the jokes
and the losers talk about the run of the ball."
"It's not over until the fat man whistles."
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