class="comment">%  Evaluation structures.</span>
0130 <span class="comment">%    By default, locfit chooses a set of points, depending on the data</span>
0131 <span class="comment">%    and smoothing parameters, to evaluate at. This is controlled by</span>
0132 <span class="comment">%    the evaluation structure.</span>
0133 <span class="comment">%      'ev' Specify the evaluation structure. Default is 'tree'.</span>
0134 <span class="comment">%           Other choices include 'phull' (triangulation), 