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基本概率分布Basic Concept of Probability Distributions 8: Normal Distribution
PDF versionPDF & CDFThe probability density function is $$f(x; \mu, \sigma) = {1\over\sqrt{2\pi}\sigma}e^{-{1\over2}{(x-\mu)^2\over\sigma^2}}$$ The cu...
分类:其他好文   时间:2015-01-09 01:34:33    阅读次数:184
基本概率分布Basic Concept of Probability Distributions 7: Uniform Distribution
PDF versionPDF & CDFThe probability density function of the uniform distribution is $$f(x; \alpha, \beta) = \begin{cases}{1\over\beta-\alpha} & \mbox{...
分类:其他好文   时间:2015-01-08 13:14:00    阅读次数:176
基本概率分布Basic Concept of Probability Distributions 6: Exponential Distribution
PDF versionPDF & CDFThe exponential probability density function (PDF) is $$f(x; \lambda) = \begin{cases}\lambda e^{-\lambda x} & x\geq0\\ 0 & x 10) ....
分类:其他好文   时间:2015-01-07 06:57:04    阅读次数:165
基本概率分布Basic Concept of Probability Distributions 5: Hypergemometric Distribution
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...
分类:其他好文   时间:2015-01-06 19:47:28    阅读次数:225
基本概率分布Basic Concept of Probability Distributions 4: Negative Binomial Distribution
PDF versionPMFSuppose there is a sequence of independent Bernoulli trials, each trial having two potential outcomes called "success" and "failure". In...
分类:其他好文   时间:2015-01-05 00:27:39    阅读次数:297
基本概率分布Basic Concept of Probability Distributions 3: Geometric Distribution
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...
分类:其他好文   时间:2015-01-04 13:16:20    阅读次数:172
基本概率分布Basic Concept of Probability Distributions 2: Poisson Distribution
PDF versionPMFA discrete random variable $X$ is said to have a Poisson distribution with parameter $\lambda > 0$, if the probability mass function of ...
分类:其他好文   时间:2015-01-03 00:54:43    阅读次数:167
基本概率分布Basic Concept of Probability Distributions 1: Binomial Distribution
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...
分类:其他好文   时间:2015-01-02 06:20:24    阅读次数:214
加州大学伯克利分校Stat2.2x Probability 概率初步学习笔记: Final
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...
分类:其他好文   时间:2015-01-01 10:04:32    阅读次数:156
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
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...
分类:其他好文   时间:2014-12-30 07:03:54    阅读次数:254
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