孤立森林 是一个基于Ensemble的快速异常检测方法，具有线性时间复杂度和高精准度，是符合大数据处理要求的state-of-the-art算法(Isolated forest is a fast anomaly detection method based on Ensemble. It has linear time complexity and high precision. It is a state-of-the-art algorithm that meets the require