find_cox_root: Root-finding for Cox score function

In weightedsurv: Survival Analysis with Subject-Specific (Case Weights) and Time-Dependent Weighting

Root-finding for Cox score function

Description

Finds the root of the Cox model score equation for weighted log-rank statistics.

Usage

find_cox_root(time, delta, z, w_hat, wt_rg)

Arguments

time	Numeric vector of event times.
delta	Numeric vector of event indicators.
z	Numeric vector of group indicators.
w_hat	Numeric vector of weights.
wt_rg	Numeric vector of rho-gamma weights.

Value

List with root and additional information, or NA if not found.

weightedsurv documentation built on Dec. 23, 2025, 1:07 a.m.