1_6 &lt;chr&gt;, var1_1_8 &lt;chr&gt;, ord_layer_index &lt;int&gt;, ord_layer_1 &lt;dbl&gt;,</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #949494;">#   ord_layer_2 &lt;dbl&gt;, and abbreviated variable names ¹​var1_0_2, ²​var1_0_3,</span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> <span style="color: #949494;">#   ³​var1_0_4, ⁴​var1_0_6, ⁵​var1_0_8, ⁶​var1_1_1</span></span>
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