Specifies the percentage of cases within the training data used to calculate the holdout error for this algorithm. HOLDOUT_PERCENTAGE ...

Specifies the percentage of cases within the training data used to calculate the holdout error for this algorithm. HOLDOUT_PERCENTAGE is used as part of the stopping criteria while training the mining model.   This value is unique to this algorithm and is unrelated to any holdout parameters set in the mining structure.   The default is 30.