Dear all,
I am using Epi package to calculate Odds ratio in my bivariate analysis.
How can I make *twoby2 *in variables that have 3 or more levels.
For example:
I have 4 level var (Age)
m=matrix(c(290, 100,232, 201, 136, 99, 182, 240), nrow=4, ncol=2)
library (Epi)
twoby2(m)
R gives me only
Comparing : Row 1 vs. Row 2
While I would like to have reference value in Row 1, and compare Row 2, Row
3 and Row 4 with it.
Thanks for your help!
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