><semantics><mrow><mi>ùêñ</mi><mi>ùê¢</mi><mo>‚àí</mo><mi>ùêò</mi><mi>ùê¢</mi><mo>=</mo><mn>ùüé</mn><mi>.</mi></mrow><annotation encoding="application/x-tex">\mathbf{W}\mathbf{i} - \mathbf{Y}\mathbf{i} = \mathbf{0}.</annotation></semantics></math></p>
<p>Energy balance verification can be implemented with
<code>matsbyname</code> functions and <code>tidyverse</code> functional
programming:</p>
<div class="sourceCode" id="cb5"><pre class="downlit sourceCode r">
<code class="s