partial.information: Information matrix for Cox model using Efron's method for...

Description Usage Arguments Value

View source: R/fitcox.R

Description

Information matrix for Cox model using Efron's method for ties

Usage

1
partial.information(beta, event.sets, risk.set.diffs)

Arguments

beta

A vector of length p, where p is the number of model parameters

event.sets

A list of model matrices corresponding to the event times

risk.set.diffs

A list of risk set differences for the event times

Value

A matrix of negative 2nd partial derivatives for each parameter pair


mathmonster/sta545package documentation built on Jan. 1, 2021, 9:20 a.m.