riskscoreci {PropCIs}

score confidence interval for the relative risk in a 2x2 table

Description

score confidence interval for the relative risk in a 2x2 table

Usage

riskscoreci(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

Nam, J. M. (1995) Confidence limits for the ratio of two binomial proportions based on likelihood scores: Non-iterative method. Biom. J. 37 (3), 375–379.

Koopman PAR. (1985) Confidence limits for the ratio of two binomial proportions. Biometrics 40, 513–517.

Miettinen OS, Nurminen M. (1985) Comparative analysis of two rates. Statistics in Medicine 4, 213–226.

Nurminen, M. (1986) Analysis of trends in proportions with an ordinally scaled determinant. Biometrical J 28, 965–974

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