e/rma.mv.html" class="external-link">metafor::rma.mv()</a></code> function. More
importantly, it allows us to easily specify prior distributions on the
correlation coefficient
<math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mi>ρ</mi><annotation encoding="application/x-tex">\rho</annotation></semantics></math>
and the total heterogeneity
<math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mi>τ</mi><annotation encoding="application/x-tex">\tau</annotat