h <code>lp__</code>.
This is a legacy feature that we do not use for variational inference.
The ELBO is not stored unless a diagnostic option is given.</p>
<p>For further details, see Kucukelbir, Alp, Rajesh Ranganath, Andrew Gelman, and David M. Blei. 2015.
<em>Automatic Variational Inference in Stan.</em>
arXiv 1506.03431. <a href="http://arxiv.org/abs/1506.03431" class="uri">http://arxiv.org/abs/1506.03431</a>.</p>

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