机器学习定义

机器学习定义

Machine Learning definition

flyfish 笔记

what is machine learing?什么是机器学习?

1959 Arthur Samuel 
field of study that gives computes the ability to learn without being explicitly programmed.

1959年Arthure Samuel将机器学习非正式的定义为:在不直接针对问题进行编程的情况下赋予计算机学习
能力的一个研究领域

Tom mitchell(1998) Well-posed Learning
Problem:A compute program is said to learn from experience E with respect to same task T
and some performance measure P,if its performance on T,as measured by P,
improves with experience E。

更现代更正式的定义
给它一个任务T和一个性能测量方法P,如果在经验E的影响下,P对T的测量结果得到了改进,
那么说该程序从E中学习

respectn. 尊敬,尊重;方面;敬意
vt. 尊敬,尊重;遵守

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