这是一个关于FCM,GG,GK算法的源码，里面包含PC,PE,XB聚类有效性度量的matlab源码，并含有程序说明文档-This is the one on FCM, GG, GK algorithm source code, which contains PC, PE, XB cluster validity measure of the matlab source code, and contains procedures for documentation

The NCT includes 4 External validity indices and 8 internal validity indices, and the sub-routine validity_Index.m is designed to use them. This tool is suitable for the research work such as the performance comparison of different indices on est