It returns a credible interval plot of factor loadings covariance, tau. The lines are 95
plot_tau.CI(Gibbs, burnin = NA, true.val = NA, main.bool = TRUE)
Credible interval plot of tau
Result of Gibbs sampler from DIFM function.
Number of burn-in. If not specified, it uses the first tenths as burn-in period.
True values of tau. If not available, NA.
Add title of the plots.