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Andrew Ng 机器学习笔记 By Orangestar Week_11(the Last Week!!!!) Congratulations on making it to the eleventh and final week! This week, we will walk you thr 阅读全文
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Andrew Ng 机器学习笔记 By Orangestar Week_10 (大数据处理) 1. Learning With Large Datasets 机器学习很多时候都要处理非常多的数据。对算法的要求颇高。 数据就是力量! 要检验数据集越多,学习算法表现得更好。 就要画学习曲线。 如图: 下 阅读全文
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Andrew Ng 机器学习笔记 By Orangestar Week_9(推荐系统) 1. Problem Formulation 这节就仅仅简单地介绍了一下 推荐系统的应用和实例。完全可以略。只需要清楚如何表示 评分还有未评分 2. Content Based Recommendations 上 阅读全文
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Andrew Ng 机器学习笔记 By Orangestar Week_9 This week, we will be covering anomaly detection which is widely used in fraud detection . Given a large number 阅读全文
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Andrew Ng 机器学习笔记 By Orangestar Week_7_Unsupervised Learning While supervised learning algorithms need labeled examples (x,y), unsupervised learning al 阅读全文
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Andrew Ng 机器学习笔记 By Orangestar Week_7 This week, you will be learning about the support vector machine (SVM) algorithm. SVMs are considered by many to 阅读全文
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Andrew Ng 机器学习笔记 By Orangestar Week_6 (1) In Week 6, you will be learning about systematically improving your learning algorithm. The videos for this 阅读全文