PropCIs (version 0.1-6)

diffscoreci: Score interval for difference of proportions

Description

Score interval for difference of proportions and independent samples (p1 - p2)

Usage

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

Arguments

x1

success counts in sample 1

n1

sample size in sample 1

x2

success counts in sample 2

n2

sample size in sample 2

conf.level

confidence coefficient

Value

• ll
  lower confidence limit
• ul
  upper confidence limit

References

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

Mee RW. Confidence bounds for the difference between two probabilities. Biometrics 1984;40:1175-1176.

Miettinen OS, Nurminen M. Comparative analysis of two rates. Statistics in Medicine 1985;4:213-226.

Nurminen, 1986. Analysis of trends in proportions with an ordinally scaled determinant. Biometrical J. v28. 965-974