phistd and phi - 2 phistd will give 95% confidence</span>
0053 <span class="comment">%                bands for phi - only for err(1)&gt;=1</span>
0054 <span class="comment">%       Cerr  (Jackknife error bars for C - use only for Jackknife - err(1)=2)</span>
0055 
0056 <span class="keyword">if</span> isstruct(data) 
0057     Ch=length(data);
0058     <span class="keyword">if</span> Ch==1; error(<span class="string">'Need at least 2 channels'</span>); <span class="keyword">end</span>;
0059 <span class="keyw