on 07/30/2008 08:48 AM Wim Bertels wrote:
Hi,
does anyone know of a function to calculate odds ratios in multiway
tables (stratified) (+ the other usual statistics involved)
i mean:
say we have a table r*c*d,
For every d (depth) we have a r*c table,
and in this table the odds ratio's are calculated for every 2*2 subtable
in it.
logically this function would look like):
ORs(multiwaytable)
or
ORs(data$var1r,data$var2c,data$var3d)
(eg. not taking the lot together, keeping the paradox of simpson in
mind)
mvg,
Wim
In ?mantelhaen.test, there is some code in the examples using the
UCBAdmissions data set. There is also code for the Woolf test in the
same example.
In addition, there is similar code in the 'vcd' and 'rmeta' CRAN packages.
HTH,
Marc Schwartz
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