k_prop_size {rashnu} | R Documentation |
Sample Size or Power Calculation for K proportion
Description
Calculates sample size or power for a multiple-sample proportion test.
Usage
k_prop_size(pA, pB, tau, alpha, beta = NULL, n = NULL)
Arguments
pA |
Numeric. True proportion of group A. |
pB |
Numeric. True proportion of group B. |
tau |
Integer. Number of comparisons. |
alpha |
Numeric. Type I error rate. |
beta |
Numeric (optional). Type II error rate. Required for sample size calculation. |
n |
Integer (optional). Sample size. Required when calculating power. |
Value
Returns sample size (if beta
is given), or power (if n
is given).
Note
Only one of beta
(for sample size calculation) or n
(for power calculation) should be specified.
Required arguments:
For sample size:
pA
,pB
,tau
,alpha
,beta
For power:
pA
,pB
,tau
,alpha
,n
Examples
# Sample size
k_prop_size(pA = 0.2, pB = 0.4, tau = 2,
alpha = 0.05, beta = 0.2)
# Power
k_prop_size(pA = 0.2, pB = 0.4, tau = 2,
alpha = 0.05, n = 96)
[Package rashnu version 0.1.2 Index]