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rpact (version 3.1.0)

param_varianceOption: Parameter Description: Variance Option

Description

Parameter Description: Variance Option

Arguments

varianceOption

Defines the way to calculate the variance in multiple treatment arms (> 2) or population enrichment designs for testing means. For multiple arms, three options are available: "overallPooled", "pairwisePooled", and "notPooled", default is "overallPooled". For enrichment designs, the options are: "pooled", "pooledFromFull" (one subset only), and "notPooled", default is "pooled".