alpha_star {survregVB}R Documentation

Calculates parameter \alpha^* of q^*(b) to optimize the evidence based lower bound (ELBO) in survregVB.fit and survregVB.frailty.fit.

Description

Calculates parameter \alpha^* of q^*(b) to optimize the evidence based lower bound (ELBO) in survregVB.fit and survregVB.frailty.fit.

Usage

alpha_star(alpha_0, delta)

Arguments

alpha_0

The shape hyperparameter \alpha_0 of the prior distribution of the scale parameter, b.

delta

A binary vector indicating right censoring.

Value

Parameter \alpha^* of q^*(b).

See Also

survregVB.fit

survregVB.frailty.fit


[Package survregVB version 0.0.1 Index]