 can be set of draws in <a href="../cmdstan-guide/stan_csv_apdx.html">StanCSV</a> format.</p></li>
<li><p><code>unconstrained_params</code> - Input file (JSON or R dump) of parameter values on unconstrained scale. These files should contain a single variable, called <code>params_r</code>, which is a flattened vector of all unconstrained parameters. If this object is two dimensional, each entry should be a vector of the same form and the output will feature multiple rows.</p></li>
</ul>
<p>Only one of <code>