Description Usage Arguments Value Examples
calculating sample size based on RMTLd
1 | RMTLd_sample(alpha, beta, r, delta, var.0, var.1)
|
alpha |
The default is 0.05. |
beta |
The default is 0.20. |
r |
The ratio of the sample size of group 0 to group 1. |
delta |
A value to specify RMTLd. |
var.0 |
A value to specify the variance in group 0. |
var.1 |
A value to specify the variance in group 1. |
an object of class RMTLd_sample
1 2 3 4 5 6 7 8 9 10 11 12 | library(crRMTL)
data(simdata)
test <- RMTLd_test(simdata$time, simdata$status, simdata$group, alpha = 0.05,
digits = 3, tau = NULL)
n0 <- table(simdata$group)[1]
n1 <- table(simdata$group)[2]
r <- n0 / n1
delta <- test$Test.event1[3, 1] ## RMTL of event 1
var.0 <- test$RMTL[1, 3] * n0 ## the sigma^2 of group 0
var.1 <- test$RMTL[2, 3] * n1 ## the sigma^2 of group 1
sample <- RMTLd_sample(alpha = 0.05, beta = 0.2, r = r, delta = delta, var.0 = var.0, var.1 = var.1)
sample
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