est_vars.html">gr_test_vars</a></span><span class="op">(</span><span class="va">vars</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="fu">gr_plot_periods</span><span class="op">(</span><span class="va">vars</span>, <span class="va">Qspmax</span>, tests <span class="op">=</span> <span class="va">tests</span><span class="op">)</span></span></span>
<span class="r-wrn co"><span class="r-pr">#&gt;</span> <span class="warning">Warning: </span>Removed 1 rows containing non-finite