1 | contab(dat, alpha = 0.05)
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dat |
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alpha |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | ##---- Should be DIRECTLY executable !! ----
##-- ==> Define data, use random,
##-- or do help(data=index) for the standard data sets.
## The function is currently defined as
function (dat, alpha = 0.05)
{
phat = dat
n = sum(phat)
phat = phat/n
p1. = phat[1, 1] + phat[1, 2]
p.1 = phat[1, 1] + phat[2, 1]
del = p1. - p.1
sigsq = p1. * (1 - p1.) + p.1 * (1 - p.1) - 2 * (phat[1,
1] * phat[2, 2] - phat[1, 2] * phat[2, 1])
sig = sqrt(sigsq/n)
test = abs(del)/sig
pv = 2 * (1 - pnorm(test))
ci = del - qnorm(1 - alpha/2) * sig
ci[2] = del + qnorm(1 - alpha/2) * sig
list(delta = del, CI = ci, p.value = pv)
}
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