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Weight Function of Weighted Log-rank Test

Source: R/wlr_weight.R
wlr_weight.Rd

  • wlr_weight_fh is Fleming-Harriongton, FH(rho, gamma) weight function.

  • wlr_weight_1 is constant for log rank test

  • wlr_weight_power is Gehan-Breslow and Tarone-Ware weight function.

Usage

wlr_weight_fh(x, arm0, arm1, rho = 0, gamma = 0, tau = NULL)

wlr_weight_1(x, arm0, arm1)

wlr_weight_n(x, arm0, arm1, power = 1)

Arguments

x

analysis time

arm0

an "arm" object defined in npsurvSS package

arm1

an "arm" object defined in npsurvSS package

rho

A scalar parameter that controls the type of test

gamma

A scalar parameter that controls the type of test

tau

A scalar parameter of the cut-off time for modest weighted log rank test

power

A scalar parameter that controls the power of the weight function

Specification

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