简单总结一下机器学习最常见的两个函数,一个是logistic函数,另一个是softmax函数,若有不足之处,希望大家可以帮忙指正.本文首先分别介绍logistic函数和softmax函数的定义和应用,然后针对两者的联系和区别进行了总结. 1. logistic函数 1.1 logistic函数定义 引用wiki百科的定义: A logistic function or logistic curve is a common "S" shape (sigmoid curve). 其实逻辑斯
Classification is one of the major problems that we solve while working on standard business problems across industries. In this article we’ll be discussing the major three of the many techniques used for the same, Logistic Regression, Decision Trees