n= 2279 

node), split, n, loss, yval, (yprob)
      * denotes terminal node

1) root 2279 844 fail (0.629662133 0.370337867)  
  2) transaction_isolation=READ-COMMITTED,READ-UNCOMMITTED,SERIALIZABLE 1434   0 fail (1.000000000 0.000000000) *
  3) transaction_isolation=NULL,REPEATABLE-READ 845   1 pass (0.001183432 0.998816568) *