power_single_rate {ssutil} | R Documentation |
Detectable Event Rate with Specified Power and Sample Size
Description
Estimates the minimum true proportion of events needed to detect at least one event, given a sample size and desired statistical power.
Usage
power_single_rate(subjects, power)
Arguments
subjects |
Integer or vector of integers. Sample size(s). |
power |
Numeric or vector of numerics. Desired power(s), between 0 and 1. |
Value
A matrix of class power_single_rate
with columns:
- n
Sample size
- power
Requested power
- proportion
Minimum detectable event rate to observe at least one event
Examples
power_single_rate(30, 0.9)
power_single_rate(c(30, 50, 100), 0.9)
[Package ssutil version 1.0.0 Index]