title: I want to use learned model
body: <p>I have decision tree is learned already but now I want to use this decision tree to predicted a new data is don't
  known class</p>
  
  <p>I have:</p>
  
  <pre><code>Tid :  1 2 3 4 5 6 7 8 9 10
  Refund : Yes No No Yes No No Yes No No No
  MaritalStatus : Single Maried Single Maried Divorced 
                             Maried Divorced Single Maried Single
  TexableIncome : 125K 100K 70K 120K 95K 60K 220K 85K 
                                 75K 90K
  Cheat (this attribute is class) : No No No No Yes No No Yes 
                                                        No Yes
  </code></pre>
  
  <p>After I use this data in above for train decision tree I get a tree but after this I have data I don't know class I want to use tree I got to predict a class</p>
  
  <pre><code>Tid : 11 12 13 14 15
  Attrib1 : No Yes Yes No No 
  Attrib2 : Small Medium Large Small Large 
  Attrib3 : 55k 80k 110k 95k 67k
  Class :    ?    ?    ?   ?  ?  (I want to predict this by my first tree)
  </code></pre>