63563_at   -1.4451349  1.68695159 -0.4297297
#&gt; 241059_at    -2.1747517  0.73649762  1.9195928
#&gt; 1556161_a_at -1.6446593  0.18672685  0.1240958
#&gt; 211786_at    -2.5257286  0.04791336  1.9459101
#&gt; 229665_at    -0.5663955 -0.20130401  0.1775330
#&gt; ...
#&gt; 
#&gt; Vector of names :
#&gt;      236719_at     1563563_at           &lt;NA&gt;   1556161_a_at      211786_at 
#&gt;      "ID2-AS1"       "CCDC40"      "unknown" "LOC105379178"      "TNFRSF9" 
#&gt;      229665_at 
#&gt;        "CSTF3" 
