Sigma_star              Calculates parameter Sigma^* of q^*(beta) to
                        optimize the evidence based lower bound (ELBO)
                        in 'survregVB.fit'.
Sigma_star_cluster      Calculates parameter Sigma^* of q^*(beta) to
                        optimize the evidence based lower bound (ELBO)
                        in 'survregVB.frailty.fit'.
alpha_star              Calculates parameter alpha^* of q^*(b) to
                        optimize the evidence based lower bound (ELBO)
                        in 'survregVB.fit' and 'survregVB.frailty.fit'.
dnase                   Subset of 'rhDNase' from the 'survival' package
elbo                    Calculates the variational Bayes convergence
                        criteria, evidence lower bound (ELBO),
                        optimized in 'survregVB.fit'.
elbo_cluster            Calculates the variational Bayes convergence
                        criteria, evidence lower bound (ELBO),
                        optimized in 'survregVB.frailty.fit'.
eta_star                Calculates parameter eta^* of
                        q^*(sigma^2_{gamma}) to optimize the evidence
                        based lower bound (ELBO) in
                        'survregVB.frailty.fit'.
lambda_star             Calculates parameter lambda^* of
                        q^*(sigma^2_{gamma}) to optimize the evidence
                        based lower bound (ELBO) in
                        'survregVB.frailty.fit'.
lung_cancer             Subset of GSE102287: African American (AA)
                        Patients
mu_star                 Calculates parameter mu^* of q^*(beta) to
                        optimize the evidence based lower bound (ELBO)
                        in 'survregVB.fit'.
mu_star_cluster         Calculates parameter mu^* of q^*(beta) to
                        optimize the evidence based lower bound (ELBO)
                        in 'survregVB.frailty.fit'.
omega_star              Calculates parameter omega^* of q^*(b) to
                        optimize the evidence based lower bound (ELBO)
                        in 'survregVB.fit'.
omega_star_cluster      Calculates parameter omega^* of q^*(b) to
                        optimize the evidence based lower bound (ELBO)
                        in 'survregVB.frailty.fit'.
sigma_squared_star      Calculates parameter sigma^{2*}_i of
                        q^*(gamma_i) for i=1,...,K clusters to optimize
                        the evidence based lower bound (ELBO) in
                        'survregVB.frailty.fit'.
simulation_frailty      Simulated data incorporating shared frailty
                        effects to model clustered time-to-event data.
simulation_nofrailty    Simulated data without shared frailty effects
                        to model unclustered time-to-event data.
summary.survregVB       Summary for Variational Bayes log-logistic AFT
                        models.
survregVB               Variational Bayesian Analysis of Survival Data
                        Using a Log-Logistic Accelerated Failure Time
                        Model
survregVB.fit           Variational Bayesian Analysis of Survival Data
                        Using a Log-Logistic Accelerated Failure Time
                        Model
survregVB.frailty.fit   Variational Bayesian Analysis of Correlated
                        Survival Data Using a Log-Logistic Accelerated
                        Failure Time Model
survregVB.object        Variational Bayes Accelererated Failure Time
                        Survival Model Object
tau_star                Calculates parameter tau^*_i of q^*(gamma_i)
                        for i=1,...,K clusters to optimize the evidence
                        based lower bound (ELBO) in
                        'survregVB.frailty.fit'.
