PropCIs (version 0.3-0)

orscoreci: score confidence interval for an odds ratio in a 2x2 table [p1(1-p1)/(p2(1-p2))]

Description

score confidence interval for an odds ratio in a 2x2 table [p1(1-p1)/(p2(1-p2))]

Usage

orscoreci(x1, n1, x2, n2, conf.level)

Arguments

x1

number of successes in sample 1

n1

sample size in sample 1

x2

number of successes in sample 2

n2

sample size in sample 2

conf.level

confidence coefficient \(1-\alpha\)

Value

A list with class '"htest"' containing the following components:

conf.int

a confidence interval for the difference in proportions.

References

Cornfield, J. (1956) A statistical problem arising from retrospective studies. In Neyman J. (ed.), Proceedings of the third Berkeley Symposium on Mathematical Statistics and Probability 4, pp. 135--148.

Miettinen O. S., Nurminen M. (1985) Comparative analysis of two rates. Statistics in Medicine 4, 213--226.

Agresti, A. 2002. Categorical Data Analysis. Wiley, 2nd Edition.