Displaying 3 results from an estimated 3 matches for "cmh_test".
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cm_test
2009 Feb 09
2
R equivalent of SAS Cochran-Mantel-Haenszel tests?
In SAS, for a two-way (or 3-way, stratified) table, the CMH option in
SAS PROC FREQ gives
3 tests that take ordinality of the factors into account, for both
variables, just the column variable
or neither. Is there an equivalent in R?
The mantelhaen.test in stats gives something quite different (a test of
conditional independence for
*nominal* factors in a 3-way table).
e.g. I'd like to
2008 Mar 12
0
Problem with approximate null distribution (package: coin)
...bviously, I was wrong about both assumptions. Is there any reasonable way to
work around these limitations in case of a large dataset? It's not that large
in fact, so I am a bit surprised the efficiency of resampling is so poor.
Below is the dataset example, what I am trying to do is perform cmh_test() on
a 4x2x3 table.
> adata
, , Content = low
Response
Time Yes No
0 384 597259
1 585 888039
2 621 896102
3 1466 1606456
, , Content = medium
Response
Time Yes No
0 101 99525
1 160 191698
2 173...
2009 Jun 04
4
Cochran’s Q statistic
Does anyone know which package include the computation of Cochran’s Q
statistic in R?
jlfmssm
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