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rdc
2008 Feb 06
1
ci.pd() (Epi) and Newcombe method
...should be
zz <- qchisq(1-alpha,1)
(though I think they could just as well have written
xx <- z^2), since z^2 seems to be what they want for the
Newcombe method, and qnorm(1-alpha/2)^2 = qchisq(1-alpha,1)
This was noticed as a result of comparing results from
ci.pd() with results from the RDCI module in STATA (run
by someone else, since I don't have access to STATA).
With the original code in ci.pd(), the Newcombe results
were different between ci.pd() and STATA. After making
the above change, they agreed.
I would be most grateful if anyone who has also been
down this path could con...