What-is-Machine-Learning.md

什么是机器学习？

1. the field of study that gives computers the ability to learn without being explicitly programmed.---Arthur Samuel

   引用自 What is Machine Learning?

2. A computer program is said to learn from experience E with respect to some class of tasks T and performance measure P, if its performance at tasks in T, as measured by P, improves with experience E.---Tom Mitchell

   引用自 What is Machine Learning?

3. 机器学习(Machine Learning, ML)是一门多领域交叉学科，涉及概率论、统计学、逼近论、凸分析、算法复杂度理论等多门学科。专门研究计算机怎样模拟或实现人类的学习行为，以获取新的知识或技能，重新组织已有的知识结构使之不断改善自身的性能。

   引用自 百度百科

4. using data to answer questions

   引用自 AI Adventures（需要梯子）

5. Machine learning is a field of computer science that uses statistical techniques to give computer systems the ability to "learn" (e.g., progressively improve performance on a specific task) with data, without being explicitly programmed.

   引用自 维基百科

由于硬件的发展，现在机器学习的实现已经不像以前那么困难了，所以现在是学习机器学习最好的时代。