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studysite
2009 Jun 02
1
Sample size - proportion continuity correction
Hallo!
Does anybody know how to calculate a sample size estimation for proportions with continuity correction?
?
I only found EpiR which seems to calculate without continuity correction:
library(epiR)
epi.studysize(treat = .65, control = .50, n = NA, sigma = NA,
power = 0.80, r = 1, conf.level = 0.95, sided.test = 2, method = "cohort")
$n
[1] 340
Thanks!
Karl