The Optimized Anomaly Detection Models Based on an Approach of Dealing with Imbalanced Dataset for Credit Card Fraud Detection

Algorithm 2

[5]

Inputs: : input data, : current tree height, : height limit

Output: an iTree

1: ifthen

2:  return

3: else

4:  let be a list of attributes in

5:  randomly select an attribute

6:  randomly select a split point from and values of attribute in

7:  

8:  

9:  return ,

10:   ,

11:   ,

12:   

13: end if