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rpact (version 3.0.4)

param_pi1_survival: Parameter Description: Pi (1) for Survival Data

Description

Parameter Description: Pi (1) for Survival Data

Arguments

pi1

A numeric value or vector that represents the assumed event rate in the treatment group, default is seq(0.2, 0.5, 0.1) (power calculations and simulations) or seq(0.4, 0.6, 0.1) (sample size calculations).