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RCI

Calculate risk and its confidence interval

Description

Calculate risk and its confidence interval by the simple asymptotic method.

Usage

RCI(a, N, conf.level=0.9)

Arguments

a

Number of cases
N

Number of population at risk
conf.level

Probability for confidence intervals. Default is 0.9.

Value

R

Point estimate of risk.
RL

Lower limit of confidence interval
RU

Upper limit of confidence interval

Author(s)

References

Rothman KJ (2012) Epidemiology: An Introduction. 2nd Ed., Oxford University Press, Oxford.

Examples

# By simple asymptotic method
RCI(20, 100)
# By Wilson Score (without continuity correction)
prop.test(20, 100, conf.level=0.9, correct=FALSE)
# By Exact method
binom.test(20, 100, conf.level=0.9)
fmsb

Functions for Medical Statistics Book with some Demographic Data

v0.7.1
GPL (>= 2)
Authors
Minato Nakazawa <minato-nakazawa@umin.net>
Initial release
2021-05-09

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