赵胤 - 博客园

基本概率分布Basic Concept of Probability Distributions 6: Exponential Distribution

摘要： PDF versionPDF & CDFThe exponential probability density function (PDF) is $$f(x; \lambda) = \begin{cases}\lambda e^{-\lambda x} & x\geq0\\ 0 & x 10) ... 阅读全文

posted @ 2015-01-07 02:57 赵胤阅读(316) 评论(0) 推荐(0) 编辑

基本概率分布Basic Concept of Probability Distributions 5: Hypergemometric Distribution

摘要： PDF versionPMFSuppose that a sample of size $n$ is to be chosen randomly (without replacement) from an urn containing $N$ balls, of which $m$ are whit... 阅读全文

posted @ 2015-01-06 17:05 赵胤阅读(332) 评论(0) 推荐(0) 编辑

基本概率分布Basic Concept of Probability Distributions 4: Negative Binomial Distribution

摘要： PDF versionPMFSuppose there is a sequence of independent Bernoulli trials, each trial having two potential outcomes called "success" and "failure". In... 阅读全文

posted @ 2015-01-05 00:02 赵胤阅读(291) 评论(0) 推荐(0) 编辑

基本概率分布Basic Concept of Probability Distributions 3: Geometric Distribution

摘要： PDF versionPMFSuppose that independent trials, each having a probability $p$, $0 0){+ p = (5/6) ^ n+ if (p < 0.05) break+ n = n + 1+ }n# [1] 17... 阅读全文

posted @ 2015-01-04 11:58 赵胤阅读(498) 评论(0) 推荐(0) 编辑

基本概率分布Basic Concept of Probability Distributions 2: Poisson Distribution

摘要： PDF versionPMFA discrete random variable $X$ is said to have a Poisson distribution with parameter $\lambda > 0$, if the probability mass function of ... 阅读全文

posted @ 2015-01-03 00:13 赵胤阅读(372) 评论(0) 推荐(0) 编辑

基本概率分布Basic Concept of Probability Distributions 1: Binomial Distribution

摘要： PDF下载链接PMFIf the random variable $X$ follows the binomial distribution with parameters $n$ and $p$, we write $X \sim B(n, p)$. The probability of gett... 阅读全文

posted @ 2015-01-02 01:18 赵胤阅读(525) 评论(0) 推荐(0) 编辑

加州大学伯克利分校Stat2.2x Probability 概率初步学习笔记: Final

摘要： Stat2.2x Probability（概率）课程由加州大学伯克利分校（University of California, Berkeley）于2014年在edX平台讲授。PDF笔记下载（Academia.edu）ADDITIONAL PRACTICE FOR THE FINALPROBLEM 1... 阅读全文

posted @ 2015-01-01 09:14 赵胤阅读(809) 评论(0) 推荐(0) 编辑

加州大学伯克利分校Stat2.2x Probability 概率初步学习笔记: Section 5 The accuracy of simple random samples

摘要： Stat2.2x Probability（概率）课程由加州大学伯克利分校（University of California, Berkeley）于2014年在edX平台讲授。PDF笔记下载（Academia.edu）SummaryZeros and Ones: Sum of a sample wit... 阅读全文

posted @ 2014-12-31 10:56 赵胤阅读(321) 评论(0) 推荐(0) 编辑

加州大学伯克利分校Stat2.2x Probability 概率初步学习笔记: Section 4 The Central Limit Theorem

摘要： Stat2.2x Probability（概率）课程由加州大学伯克利分校（University of California, Berkeley）于2014年在edX平台讲授。PDF笔记下载（Academia.edu）SummaryStandard Error The standard error o... 阅读全文

posted @ 2014-12-30 03:16 赵胤阅读(558) 评论(0) 推荐(0) 编辑

加州大学伯克利分校Stat2.2x Probability 概率初步学习笔记: Section 3 The law of averages, and expected values

摘要： Stat2.2x Probability（概率）课程由加州大学伯克利分校（University of California, Berkeley）于2014年在edX平台讲授。PDF笔记下载（Academia.edu）SummaryLaw of Large Numbers As the number ... 阅读全文

posted @ 2014-12-29 09:52 赵胤阅读(284) 评论(0) 推荐(0) 编辑

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