confIntRiskDiff {biostatUZH} | R Documentation |
Two methods to compute a confidence interval for a risk difference based on Wald and Wilson confidence intervals for the individual risks are provided.
confIntRiskDiff(x, n, conf.level = 0.95)
x |
vector of length 2, number of successes in each group. |
n |
vector of length 2, total number of trials in each group. |
conf.level |
Confidence level for confidence interval. |
A list with the entries:
rd |
Estimated risk difference. |
CIs |
Dataframe containing confidence intervals for the risk difference. |
Leonhard Held
DG Altman, D Machin, TN Bryant, MJ Gardner: Statistics with confidence, 2nd Edition, 2000, Chapter 6
x <- c(30, 50) n <- c(100, 120) confIntRiskDiff(x, n)$CIs