update_tau2: Update tau for VB FC Template ICA

In templateICAr: Estimate Brain Networks and Connectivity with ICA and Empirical Priors

Update tau for VB FC Template ICA

Description

Update tau for VB FC Template ICA

Usage

update_tau2(BOLD, BOLD2, mu_A, E_AtA, mu_S, E_SSt, prior_params, ntime, nvox)

Arguments

BOLD	(T \times V matrix) preprocessed fMRI data.
BOLD2	A precomputed quantity, sum(BOLD^2)
mu_A, E_AtA, mu_S, E_SSt	Current posterior estimates
prior_params	Alpha and beta parameters of IG prior on \tau^2 (error variance).
ntime, nvox	Number of timepoints in data and the number of data locations.

Value

List of length two: alpha1 and beta1.

templateICAr documentation built on Oct. 14, 2024, 5:08 p.m.