Sigma_star_cluster {survregVB} | R Documentation |
Calculates parameter \Sigma^*
of q^*(\beta)
to optimize the
evidence based lower bound (ELBO) in survregVB.frailty.fit
.
Description
Calculates parameter \Sigma^*
of q^*(\beta)
to optimize the
evidence based lower bound (ELBO) in survregVB.frailty.fit
.
Usage
Sigma_star_cluster(
y,
X,
delta,
v_0,
alpha,
omega,
mu,
tau,
expectation_b,
cluster
)
Arguments
y |
A vector of observed log-transformed survival times. |
X |
A design matrix including covariates with first column of ones to represent the intercept. |
delta |
A binary vector indicating right censoring. |
v_0 |
The precision (inverse variance) hyperparameter |
alpha |
The shape parameter |
omega |
The scale parameter |
mu |
Parameter |
tau |
Parameter |
expectation_b |
The expected value of b. |
cluster |
A numeric vector indicating the cluster assignment for each observation. |
Value
Parameter \Sigma^*
of q^*(\beta)
.
See Also
[Package survregVB version 0.0.1 Index]