n class="r-pr">#&gt;</span> [1] 6</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> $n_param_sets</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1] 2</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> $n_param_each</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> X Y </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 2 4