sel_g_func_default: Default arm-select function

In dtlcor: Multiplicity Control on Drop-the-Losers Designs

Default arm-select function

Description

Default arm-select function for selecting arm to the next stage.

Usage

sel_g_func_default(W_2, W_1, delta)

Arguments

W_2	Response rate for arm 2 (high dose)
W_1	Response rate for arm 1 (low dose)
delta	Least difference to decide superiority of arm 2 (high dose)

Value

The function is g(W_2, W_1; \Delta) = 2I(W_2 - W_1 - \Delta > 0) + I(W_2 - W_1 - \Delta \leq 0). It returns the following values: 1: arm 1 (low dose) is selected; 2: arm 2 (high dose) is selected.

Examples

sel_g_func_default(W_2 = 0.5, W_1 = 0.3, delta = 0.05)

dtlcor documentation built on June 8, 2025, 12:46 p.m.