Maximum likelihood   2009-11-20 12:37:41

statisticalmodel to data,and providing estimates for the model'sparameters.The method of maximum likelihood corresponds to many well-knownestimation methods in statistics.For example,suppose you areinterested in the heights of Americans.You have...

作者：gaoyan （研究生日志&Study） 标签：maximum likelihood statistics wikipedia 教育 订阅

To conquer   2009-11-19 23:16:40

These days I kept learning the probablity and statistics.Not because I love to learn it.But I have to learnit!!I have already studyed following the teacher for about 2months,But I seemed that didn't master it at all.I was veryanxious about this...

作者：yolanda （Yolanda' Sweety Box） 标签：probablity and statistics 杂谈 订阅

Survival Analysis on Single Day——SBF   2009-11-11 19:35:16

我才后知后觉得知今天是“光棍节”，蛮乐的。N年前，还在枫林的广播台时，就知道“光棍节”、“小光棍节”和“小小光棍节”，但具体指的是哪天的确不是太清楚，主要印象是的带1的一半都可能，呵呵。IT同学e-mail里提到光棍节是“One's Day”，但我很莫名地喜欢“Single...

作者：gaoyan （研究生日志&Study） 标签：survival analysis 生存分析 sbf statistics 成为统计师 还要走多久 教育 订阅

Employment losses in retail and wholesale trade   2009-11-09 16:49:57

000in retail and wholesaletrade and by20,000in"otherservices."Employment also declined in natural continuing a downward trend thatbegan in February2009.While manufacturing employment was little changed in October,losses since the employment peak...

作者：赵壮女瓦辛格 （悠客 赵壮 Joan Zhao） 标签：statistics labor market canada 杂谈 订阅

a program about Statistics of property   2009-10-28 10:51:02

landed property assessment,house property assessment,andnet area for predict the sale prices of houses better.All thebuildings are in Beijing,the capital of China.Build linearregression and analyze.The 20 samples as the following:each sample is...

作者：judy （Judy's Blog） 标签：statistics property question 杂谈 订阅

some comments on statistics   2009-10-24 05:50:13

Statisticsare like bikinis.What they reveal is suggestive,but what theyconceal,is vital

作者：水手山巴 （我是水手山巴的博客~） 标签：统计 statistics 杂谈 订阅

Chapter2 Statistics Definition——Oct 14, 2009   2009-10-14 21:17:48

little tired at this moment,I will go on withposting the statistical definitions.When I finish this,I plan totake a shower.Therefore,the end of today's blogging is 10 pm.Ifelt happy today when I stayed at the company.It is crucial for meto feel...

作者：gaoyan （研究生日志&Study） 标签：statistics definition frequency distribution midpoint histogram 教育 订阅

Chapter1 Uses and Abuses——Oct 13, 2009   2009-10-13 21:29:47

through anadvertising campaign.Abuses:BiasedSamples The most common abuse (or misuse)of statistics is using a sample that dose not represent the entirepopulation of the study.Biased SurveyQuestions Another common abuse is usingsurvey questions that...

作者：gaoyan （研究生日志&Study） 标签：statistics uses and abuses biased samples 偏倚 调查 样本 不具代表性 教育 订阅

Chapter1 Experiment Design——Oct 13, 2009   2009-10-13 20:50:36

of thepopulation.3.Collect the data.4.Describe the data using descriptive statistics techniques.5.Interpret the data and make decisions about the population...usinginferential statistics.6.Identify any possible errors.Data Collection:Thereare several...

作者：gaoyan （研究生日志&Study） 标签：statistics experiment design sampling 抽样 方法 教育 订阅

Chapter1 Statistics Definition——Oct 13, 2009   2009-10-13 20:09:36

statistics that involvesthe organization,summarization and display of data.Inferential statistics is the branch of statistics that involvesusing a sample to draw conclusions about a population.A basic toolin the study of inferential statistics is...

作者：gaoyan （研究生日志&S） 标签：chapter1 statistics definition 统计 常用术语 教育 订阅