EY(3)-EY(2) 
#&gt;    8.545953  616.913580  611.122085 
#&gt; 
#&gt; $varestimateAI2012
#&gt; EY(2)-EY(1) EY(3)-EY(1) EY(3)-EY(2) 
#&gt;    8.302024  411.456234  434.247037 
#&gt; 
#&gt; $analysisidx
#&gt; [1] 1 2 3 4 5 6 7 8 9
#&gt; </div><div class='input'>  <span class='fu'>multilevelGPSMatch</span>(<span class='no'>Y</span>,<span class='no'>W</span>,<span class='no'>X</span>,<span class='kw'>Trimming</span><span class='kw'>=</span><span class='fl'>1</span>,<span class='kw'>GPSM</span><span class='kw'>=<