_mean</span> <span class='kw'>=</span> -<span class='fl'>7.9593</span>, <span class='kw'>alpha_sd</span> <span class='kw'>=</span> <span class='fl'>3.5487</span>,
                  <span class='kw'>beta_mean</span> <span class='kw'>=</span> <span class='fl'>1.5482</span>, <span class='kw'>beta_sd</span> <span class='kw'>=</span> <span class='fl'>3.5018</span>,
                  <span class='kw'>gamma_mean</span> <span class='kw'>=</span> <span class='fl'>0.7367</span>, <span class='kw'>gamma_sd</span> <span