zt_idx is just a convenience for the traceplot. By default arviz will make one plot per component per variable, and I only wanted to see a few rather than 100 density plots.
advi+adapt_diag is just a personal preference.
zt_idx is just a convenience for the traceplot. By default arviz will make one plot per component per variable, and I only wanted to see a few rather than 100 density plots.
advi+adapt_diag is just a personal preference.