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                       Linear VAR[4] Variant Model II
        Baccala &amp; Sameshima. Prog Brain Research, 130:33--47, 2001.
        x1==&gt;x2  x1==&gt;x4  x2==&gt;x3 x2--&gt;x5 x5==&gt;x6 x6--&gt;x4  x6==&gt;x5
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</pre><h2 id="5">Data pre-processing: detrending and normalization options</h2><pre class="codeinput">flgDetrend = 1;     <span class="comment">% Detrending the data set<