n= 1706 

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

1) root 1706 630 fail (0.630715123 0.369284877)  
  2) transaction_isolation=READ-COMMITTED,READ-UNCOMMITTED,SERIALIZABLE 1074   0 fail (1.000000000 0.000000000) *
  3) transaction_isolation=NULL,REPEATABLE-READ 632   2 pass (0.003164557 0.996835443) *