This site provides the source code of Isolation‐based anomaly detection (iNNE).
https://onlinelibrary.wiley.com/doi/abs/10.1111/coin.12156
Bandaragoda, T.R., Ting, K.M., Albrecht, D., Liu, F.T., Zhu, Y. and Wells, J.R., 2018. Isolation‐based anomaly detection using nearest‐neighbor ensembles. Computational Intelligence, 34(4), pp.968-998.