n class="op">=</span> <span class="fu"><a href="gr_get_params.html">gr_get_params</a></span><span class="op">(</span>reg <span class="op">=</span> <span class="st">'center'</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> <span style="background-color: #BB0000; font-weight: bold;">grwat:</span> data frame is correct</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> <span style="font-weight: bold;">grwat:</span> paramete