junfeng_feng

摘要： from math import log def I(*args): total = sum(args) + 0.0 result = 0.0 for i in args: if i == 0: result += 0 else: result += i / total * log( i / total, 2) return -result #num表示分类的个数 def E(num, *args): if len(args) % num != 0: pr... 阅读全文