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- Cross-tabulation in Cohort and Case-Control Studies
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牧童 2010-9-6 22:19
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Cross-tabulation in cohort studies Assume you have just done a cohort study . How do you actually do the cross-tabulation to calculate the cumulative incidence in both groups? Best is to always put the outcome variable (disease yes/no) in the columns and the expos ...
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个人分类: 基础科学|1230 次阅读|0 个评论
热度 15
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- 空间访问量过80万，赠电子书 SPSS17.0中文说明书+用户指南
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牧童 2010-9-4 04:09
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在纪念抗战胜利65周年的日子， 刚才发现，本空间访问量已经超过80万人次， 谢谢大家对本空间的关注和支持。 ...
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个人分类: 基础科学|345 次阅读|0 个评论
热度 12
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- 动物饲养试验应考虑参试动物间血缘关系
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牧童 2010-9-2 18:55
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动物饲养试验应考虑参试动物间血缘关系 王继华 崔国强 （河北工程大学动物科学系，邯郸 056002 ） 摘要：进行动物科学试验时 必须考虑到全部有较大效应的因素，只有那些远远小于处理效应的因素才可以通过“随机化”归入试验误差。对于“大效因素”，无 ...
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个人分类: 基础科学|292 次阅读|0 个评论
热度 4
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- Bizarre twisty argument about medical diagnostic tests
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牧童 2010-8-29 12:57
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Bizarre twisty argument about medical diagnostic tests By Andrew Gelman on August 24, 2010 11:02 PM | 1 Comment My cobloggers sometimes write about "Politics Everywhere." Here's an example of a political writer taking something that's not particul ...
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个人分类: 基础科学|196 次阅读|0 个评论
热度 2
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- Online Certificate Courses in Computational Finance with R
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牧童 2010-8-29 12:54
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Online Certificate Courses in Computational Finance with R As announced on the R-Sig-Finance mailing list, the University of Washington is now offering a three-course online certificate in computational finance , using the R programming language as the software base. The three c ...
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个人分类: 基础科学|245 次阅读|0 个评论
热度 5
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- Teaching yourself mathematics
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牧童 2010-8-29 12:51
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Teaching yourself mathematics By Andrew Gelman on August 26, 2010 9:37 AM | 9 Comments Some thoughts from Mark Palko: Of all the subjects a student is likely to encounter after elementary school, mathematics is by far the easiest to teach yourself. . . ...
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个人分类: 基础科学|214 次阅读|0 个评论
热度 2
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- 指数分布未知均数时混合模型的纯量参数的一类改良的估计量
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牧童 2010-8-29 12:49
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A Class of Improved Estimators for the Scale Parameter of a Mixture Model of Exponential Distribution with Unknown Location Author: Constantinos Petropoulos a Affiliation: a Department of Mathematics, University of Patras, Patras, Greece DOI: 10. ...
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个人分类: 基础科学|218 次阅读|0 个评论
热度 5
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- 用删减可疑数据配合中线回归模型的统计推断方法
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牧童 2010-8-29 12:46
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Methods of Statistical Inference for Median Regression Models with Doubly Censored Data Authors: Xiuqing Zhou a ;Ningzhong Shi b Affiliations: a School of Mathematical Sciences, Nanjing Normal University, Nanjing, P.R. China b KLAS and ...
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个人分类: 基础科学|258 次阅读|0 个评论
热度 5
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- 介绍一个统计学顾问- lucy-fike
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牧童 2010-8-29 12:28
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http://www.analysisfactor.com/statchat/introducing-our-newest-statistical-consultantlucy-fike/ Introducing our newest Statistical Consultant…Lucy Fike I am just thrilled to announce our newest team member at The Analysis Factor. Drumroll, please…. Lucy Fike is our newest Sta ...
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个人分类: 基础科学|231 次阅读|0 个评论
热度 5
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- 旧书介绍Statistical Data Analysis (Oxford Science Publications)
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牧童 2010-8-29 00:20
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Statistical Data Analysis (Oxford Science Publications) by: Glen Cowan en 0198501552 9780198501558 9780198501565 0198501560 Statistical Data Analysis (Oxford Science Publications) By Glen Cowan •Publisher: Oxford University Press, USA •Numbe ...
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个人分类: 基础科学|265 次阅读|0 个评论
热度 5
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