Introduction

Python code for $BI^3$ (Bayes Imbalance Impact Index)

Author: Yang Lu

Contact: lylylytc@gmail.com

Run

Run Python 3 by:

python calculate_bi3.py syn_dataset.npz

the dataset is in .npz file, which should contain key 'data' and 'label'.

Paper

Please cite the paper if the codes are helpful for you research.

Yang Lu, Yiu-ming Cheung, and Yuan Yan Tang, “Bayes Imbalance Impact Index: A Measure of Class Imbalanced Dataset for Classification Problem”, IEEE Transactions on Neural Networks and Learning Systems (TNNLS), DOI:10.1109/TNNLS.2019.2944962