随笔分类 -  Statistical Machine Learning

From COMP9417 COMP9418, UNSW
摘要:Imagination is an outcome of what you learned. If you can imagine the world, that means you have learned what the world is about. Actually we don't kn 阅读全文
posted @ 2019-03-28 00:30 LexLuc 阅读(748) 评论(0) 推荐(0) 编辑
摘要:Warming Up Before we talk about multivariate Gaussian, let's first review univariate Gaussian, which is usually called "Normal Distribution": $$ X \si 阅读全文
posted @ 2019-02-23 01:13 LexLuc 阅读(249) 评论(0) 推荐(0) 编辑
摘要:独立(Independence) 统计独立(Statistical Independence) 两个随机变量X,Y统计独立的条件是当且仅当其联合概率分布等于边际概率分布之积: XYP(X,Y)=P(Y)P(Y) 思考:假设 $X \per 阅读全文
posted @ 2018-09-13 16:47 LexLuc 阅读(761) 评论(0) 推荐(0) 编辑
摘要:概率论复习 概率(Probability) 频率学派(Frequentist) :由大量试验得到的期望频率(致命缺陷:有些事情无法大量试验,例如一封邮件是垃圾邮件的概率,雷达探测的物体是一枚导弹的概率); 贝叶斯学派(Bayesian) :基于已有信息而对预测结果的不确定性; 离散随机变量(Disc 阅读全文
posted @ 2018-08-04 14:04 LexLuc 阅读(443) 评论(0) 推荐(0) 编辑

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