可以进行曲线回归拟合算法的四参数算法,函数为 y (a-d) (1+(x c) b) +d ec50 m 为其主要函数()

Nie F, Wang X, Huang H. Clustering and projected clustering with adaptive neighbors[C]//Proceedings of the 20th ACM SIGKDD international conference on Knowledge discovery and data mining. 2014: 977-986.