[R] trend in incidence rate

ericlsh eric_lsh at hotmail.com
Wed Jun 27 10:11:33 CEST 2012


I would like to compare the incidence rates of three groups. They are
supposed to have different risks so I would like to test whether there is a
increasing trend in the incidence rates. Does R or any packages provide a
trend test for incidence rates? I checked epiR and epitools. It seems they
do not have this function.

Thank you for the help.

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