    # add PREV_KEY to out dicts
    mean_dict[PREV_KEY] = preds[PREV_KEY]
    std_dict[PREV_KEY] = preds[PREV_KEY]
    return mean_dict, std_dict, preds_stats</code></pre>
</details>
</dd>
</dl>
</section>
<section>
<h2 class="section-title" id="header-classes">Classes</h2>
<dl>
<dt id="vflow.vset.Vset"><code class="flex name class">
<span>class <span class="ident">Vset</span></span>
<span>(</span><span>name:¬†str, vfuncs, vfunc_keys:¬†list¬†=¬†None, is_async:¬†bool¬†=¬†False, output_ma