idk_square() : IDK group anomaly detector
idk_anomalyDetector() : IDK point anomaly detector
This file contains the implemantation of Isolation Kernel based on iNNE.
Ting, Kai Ming, et al. "Isolation Distributional Kernel: A New Tool for Kernel based Anomaly Detection." Proceedings of the 26th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining. 2020.[pdf]