rate_confint: Confidence interval for a rate calculation

In simonthelwall/nicethings: Nicely formats things for printing inline in Rmarkdown documents and other nice things

Confidence interval for a rate calculation

Description

Calculates a 95 percent confidence interval for a rate using the Rothman/Greenland method described in http://www.openepi.com/PDFDocs/PersonTime1Doc.pdf.

Usage

rate_confint(numerator, denominator)

Arguments

numerator	Count of events
denominator	Count of person-years

Value

A data frame with three columns giving the rate, lower confidence interval and upper confidence interval.

Examples

dat <- data.frame(n = 1, denom = 10)
rate_confint(dat$n, dat$denom)
dat <- data.frame(n = 5, denom = 25) # replicates output from openepi just fine.
rate_confint(dat$n, dat$denom)

simonthelwall/nicethings documentation built on Feb. 27, 2023, 3:15 p.m.