pan class="string">'Local Linear'</span> <span class="string">'Local Quadratic'</span> <span class="string">'Local Cubic'</span>};
0009 f=[<span class="string">'a'</span>,<span class="string">'b'</span>,<span class="string">'c'</span>,<span class="string">'d'</span>];
0010 <span class="keyword">for</span> (i=1:4)
0011   figure(<span class="string">'Name'</span>, sprintf( <span class="string">'figure2_4%c: Bivariate local regression'</span>, f(i) ) );
0012     fit = locfit(E,NOx,<span class="string">'deg'</s