ternal-link">training</a></span><span class="op">(</span><span class="va">splits</span><span class="op">)</span></span></span>
<span class="r-in"><span> , .date_col <span class="op">=</span> <span class="va">date_col</span></span></span>
<span class="r-in"><span> , .pred_col <span class="op">=</span> <span class="va">value</span></span></span>
<span class="r-in"><span><span class="op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="va">wf_sets</span> <spa