grpseq (version 1.0)

summary.fut: Detailed summary of the futility design

Description

Provide key information about the futility design, including B-/z-values, beta (type II error) spent, and power loss at each futility look as well the the sample size distribution under the null hypothesis.

Usage

# S3 method for fut
summary(object, ...)

Arguments

object

An object returned by fut.

...

further arguments passed to or from other methods.

Value

An object of class summary.fut with components:

t

A \(K\)-dimensional vector of information times.

b

A \(K\)-dimensional vector of B-values at t.

z

A \(K\)-dimensional vector of z-values at t.

type2

A \(K\)-dimensional vector of beta spent at t.

loss

A \(K\)-dimensional vector of power loss at t.

ess

Expected sample size at \(H_0\).

...

See Also

fut, print.fut, print.summary.fut.

Examples

# NOT RUN {
# see example for fut
# }