vcov-methods: Covariance of the regression coefficients

In YPPE: Yang and Prentice Model with Piecewise Exponential Baseline Distribution

Description

Covariance of the regression coefficients

Usage

## S3 method for class 'yppe'
vcov(object, ...)

Arguments

object	an object of the class yppe
...	further arguments passed to or from other methods.

Value

the variance-covariance matrix associated with the regression coefficients.

YPPE documentation built on Jan. 10, 2020, 1:08 a.m.