Usage: just run the Main file.

You are free to use this code for research purposes of this paper:
Jian-Yu Li, Zhi-Hui Zhan, Hua Wang, Jun Zhang, "Data-Driven Evolutionary Algorithm With Perturbation-Based Ensemble Surrogates," IEEE Transactions on Cybernetics, vol. 51, no. 8, pp. 3925-3937, Aug. 2021.

With these codes, we have two requests: 

1. If other researchers are interested in these codes, please direct them to us, but not send the codes to them by yourself. We'd like to keep a record of researchers interested in these codes. 

2. If you happen to publish making use of these codes, please include some of our relevant publications in your list of references and, if space permits, please include an acknowledgement stating the usage of our codes.