fl'>2</span>)
  <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'>0</span>,<span class='kw'>GPSM</span><span class='kw'>=</span><span class='st'>"multinomiallogisticReg"</span>)</div><div class='output co'>#&gt; $tauestimate
#&gt; EY(2)-EY(1) EY(3)-EY(1) EY(3)-EY(2) 
#&gt;  -10.444444    6.666667   17.111111 
#&gt; 
#&gt; $varestimate
#&gt; EY(2)-EY(1) EY(3)-EY(1) 