结果:找到“Multilevel model”相关内容257个,排序为按回复时间降序,搜索更多相关帖子请点击“高级
用Mplus做多层次建模Multilevel Model Using Mplus:讲义+代码,HLM
2 个回复 - 1042 次查看 用Mplus做多层次建模Multilevel Model Using Mplus:讲义+代码 用Mplus做多层次建模Multilevel Model Using Mplus:讲义+代码 用Mplus做多层次建模Multilevel Model Using Mplus:讲义+代码 用Mplus做多层 ...2021-11-5 13:38 - Lamarr-202110 - 现金交易版
纵向数据; 纵贯数据; 纵断面数据; 纵贯数据的分析:ALDA:Applied Longitudinal Data
2 个回复 - 1443 次查看 纵向数据; 纵贯数据; 纵断面数据; 纵贯数据的分析:ALDA:Applied Longitudinal Data Analysis 1)ALDA 概论.ppt 2)ALDA Introducing the Multilevel Model for Change.ppt 3)ALDA Doing data analysis wit ...2020-4-18 13:15 - Lotus_ss - 现金交易版
基于Stata分层混合效应模型及案例,GEE and multilevel mixed-effect model
1 个回复 - 965 次查看 分层混合效应模型及案例,GEE and multilevel mixed-effect model 分层混合效应模型及案例,GEE and multilevel mixed-effect model 分层混合效应模型及案例,GEE and multilevel mixed-effect model 分层混 ...2021-12-14 14:47 - Tiger-like - 现金交易版
Multilevel Modeling of Categorical Outcomes Using IBM SPSS
0 个回复 - 319 次查看 点上面附件图标,上传附件后可设置现金定价 多水平建模:基于IBM SPSS的分类结果多级建模 Multilevel Modeling of Categorical Outcomes Using IBM SPSS英文教材+原书数据+各章学习笔记(中英文)2023-9-10 18:44 - boy1980 - 现金交易版
基于SAS多水平统计模型(Multilevel Statistical Model)MLwiN
0 个回复 - 527 次查看 基于SAS多水平统计模型(Multilevel Statistical Model)MLwiN 更详细的内容,请参考下面的截图说明为准!! 基于SAS多水平统计模型(Multilevel Statistical Model)MLwiN 基于SAS多水平统计模型(Multi ...2023-4-11 18:04 - 2023D - 现金交易版
多水平模型Multilevel Statistical Model analysis in SAS
2 个回复 - 1226 次查看 多水平模型Multilevel Statistical Model analysis in SAS 多水平模型Multilevel Statistical Model analysis in SAS 多水平模型Multilevel Statistical Model analysis in SAS 多水平模型Multilevel Statist ...2020-8-5 20:50 - lotus_sss - 现金交易版
A multilevel contingency model of employee ownership and firm productivity
1 个回复 - 302 次查看 A multilevel contingency model of employee ownership and firm productivity: The moderating roles of industry growth and instability KY Kim, PC Patel - Organization Science, 2021 - pubsonline.informs. ...2023-1-24 21:42 - aronson - 求助成功区
Multilevel Modeling Using Mplus
69 个回复 - 9781 次查看 2017-8-6 21:33 - Nicolle - winbugs及其他软件专版
求书:Multilevel and Longitudinal Modeling Using Stata, Fourth Edition
3 个回复 - 1209 次查看 论坛里已经有此书的第3版了,2021年出了第4版。哪位大佬有的话能否分享一下,文献求助区1000论坛币奉上,谢谢!https://bbs.pinggu.org/thread-11050996-1-1.html Multilevel and Longitudinal Modeling Usin ...2022-5-24 12:29 - ilovestata - Stata专版
[配套数据] 《Multilevel Modelling using R》书籍示例数据
7 个回复 - 5201 次查看 Multilevel Modelling using R provides a helpful guide to conducting multilevel data modeling using the R software environment. After reviewing standard linear models, the authors present the basics of ...2021-10-26 19:42 - chenjinjian - R语言论坛
求助:Multilevel and Longitudinal Modeling Using Stata, Fourth Edition
1 个回复 - 835 次查看 【作者(必填)】Sophia Rabe-Hesketh and Anders Skrondal 【文题(必填)】 Multilevel and Longitudinal Modeling Using Stata, Fourth Edition 【年份(必填)】 2022 【全文链接或数据库名称(选填)】 htt ...2022-5-23 19:53 - ilovestata - 求助成功区
Multilevel Statistical Models》4th Edition,Harvey Goldstein:
122 个回复 - 20657 次查看 Multilevel Statistical Models, 4th Edition Harvey Goldstein ISBN: 978-1-119-95682-2 382 pages July 2011 Description Throughout the social, medical and other sciences the importance of unde ...2014-6-30 21:09 - 农村固定观察点 - HLM专版
Multilevel IRT Modeling in Practice with the Package mlirt
5 个回复 - 2211 次查看 Multilevel IRT Modeling in Practice with the Package mlirt Variance component models are generally accepted for the analysis of hierarchical structured data. A shortcoming is that outcome variables a ...2013-12-10 12:53 - Lisrelchen - HLM专版
Multilevel Modeling Using R by W. Holmes Finch, Jocelyn E. Bolin
108 个回复 - 19051 次查看 A powerful tool for analyzing nested designs in a variety of fields, multilevel/hierarchical modeling allows researchers to account for data collected at multiple levels. Multilevel Modeling Using R p ...2014-8-4 23:34 - 大家开心 - R语言论坛
【下载】Data Analysis Using Regression and Multilevel-Hierarchical Models~2006
68 个回复 - 26500 次查看 Data Analysis Using Regression and Multilevel/Hierarchical Models (Paperback) Andrew Gelman (Author), Jennifer Hill (Author) Editorial Reviews Review "Data Analysis Using Regression and Mult ...2010-6-10 03:17 - kxjs2007 - 计量经济学与统计软件
Multilevel Analysis: An Introduction to Basic and Advanced Multilevel Modeling
7 个回复 - 2542 次查看 Multilevel Analysis: An Introduction to Basic and Advanced Multilevel ModelingTom Snijders, Roel Bosker “Overall, Snijders and Bosker provide an accessible and readable text on the subject ...2018-8-20 23:36 - larrymh - 计量经济学与统计软件
[下载]Multilevel and Longitudinal Modeling with SPSS Routledge第2版 2014
16 个回复 - 6356 次查看 Multilevel and Longitudinal Modeling with IBM SPSS [第2版]~ Ronald H. Heck (作者), Scott L. Thomas (作者), Lynn N. Tabata(作者) 图书描述出版日期: 2013年7月19日 This book demonstrates how to use mu ...2014-2-9 01:40 - jaroncheng - HLM专版
Multilevel Modeling in Plain Language
2 个回复 - 710 次查看 【作者(必填)】 by [/backcolor]Karen Robson (Author),‎ [/backcolor][/backcolor]David Pevalin (Author)[/backcolor] 【文题(必填)】 Multilevel Modeling in Plain Language【年份(必填)】 2016[/bac ...2018-2-24 22:41 - 323191599 - 文献求助专区
Multilevel Modeling of Categorical Outcomes Using IBM SPSS
95 个回复 - 12616 次查看 Product Details [*]Paperback: 456 pages [*]Publisher: Routledge (April 16 2012) [*]Language: English [*]ISBN-10: 1848729561 [*]ISBN-13: 978-1848729568 [*]Product Dimensions: 21.6 x 2.3 x 28 ...2016-5-8 08:17 - ReneeBK - SPSS论坛
【独家发布】【2015新书】An Introduction to Multilevel Modeling Techniques
122 个回复 - 13541 次查看 【2015新书】An Introduction to Multilevel Modeling Techniques: MLM and SEM Approaches Using Mplus, Third Edition Book 图书名称: An Introduction to Multilevel Modeling Techniques: MLM and SEM Appro ...2015-5-27 07:30 - kychan - 管理科学
[Code]Multilevel Modeling using Mplus
23 个回复 - 3157 次查看 Level 1 MATHij= β0j+ rij Level 2 β0j = γ00 + u0j2016-6-1 11:27 - Lisrelchen - winbugs及其他软件专版
请问一下大家multilevel model的模型多层次的因变量只能有一个吗
0 个回复 - 632 次查看 如题,请问一下大家multilevel model的模型多层次的因变量只能有一个吗?最近在做食品抽检合格率的相关研究,这个合格率可以分为市级和省级的,自变量也分为市级和省级的,求教一下大家这样可以通过MLM模型实现嘛? ...2020-11-26 14:48 - prinprin - 灌水吧
Multilevel and Longitudinal Modeling Using Stata Volume I and II
17 个回复 - 5883 次查看 这个是STATA官网应用教程 具体介绍如下 http://www.stata.com/bookstore/multilevel-longitudinal-modeling-stata/ 希望能够帮助到大家!第一次发帖,请各位学友多多指教2015-8-26 20:12 - Jennie_123 - 计量经济学与统计软件
免费下载:正确页码带书签版Multilevel and Longitudinal Modeling Using Stata
28 个回复 - 7298 次查看 这个是我用论坛上下载的扫描+OCR版自己修改的,因为Acrobat出了问题,只能一页一页的编辑,现在提供给大家下载,有什么问题的话,烦请大家回帖提出来。2012-12-12 17:44 - freeleaf_cb - 计量经济学与统计软件
2015An_Introduction_to_Multilevel_Modeling_Techniques__MLM_and_SEM_Approaches_Us
3 个回复 - 1060 次查看 2015An_Introduction_to_Multilevel_Modeling_Techniques__MLM_and_SEM_Approaches_Using_Mplus_3rd.pdf2020-1-29 14:11 - zzq05@126.com - LISREL、AMOS等结构方程模型分析软件
Multilevel Models Applications Using SAS
1 个回复 - 888 次查看 2020-8-3 19:52 - tzz925931604 - 文献求助专区
Multilevel Structural Equation Modeling by Bruno Castanho Silva
6 个回复 - 1275 次查看 English | 2019 | ISBN: 1544323050 | 150 Pages | PDF | 5 MB[/backcolor] Download: **** 本内容被作者隐藏 ****[/backcolor]2020-1-13 02:34 - Nicolle - winbugs及其他软件专版
Multilevel Model Using Mplus
0 个回复 - 595 次查看 Multilevel Model Using Mplus2020-7-28 17:49 - chamleobin - 数据求助
Multilevel Model 多层线性模型的资料分享
34 个回复 - 18451 次查看 RT, 附件是关于多层线性模型的相关资料, 觉得很有用. 一是英文课程的课件, 内含Stata 的操作步奏, 还有和OLS结果的比较, 另一个是中文教材. 用这两个资料就很容易理解多层次方程的应用了. 英文资料比较珍贵, 就收 ...2015-2-28 06:16 - 2michael1 - Stata专版
2016Multilevel Model Using Mplus2017
2 个回复 - 899 次查看 2016Multilevel Model Using Mplus2017.pdf2020-1-29 14:07 - zzq05@126.com - LISREL、AMOS等结构方程模型分析软件
multilevel modelling资料
0 个回复 - 590 次查看 求multilevel modelling:an introduction to basic and advanced multilevel modelling2020-4-11 21:08 - yeolru - 爱问频道
Lesa Hoffman:Multilevel Models for Longitudinal and Repeated Measures Data
13 个回复 - 2111 次查看 Multilevel Models for Longitudinal and Repeated Measures Data**** 本内容被作者隐藏 ****2016-6-2 08:02 - Nicolle - winbugs及其他软件专版
2016Multilevel Model Using Mplus data
1 个回复 - 818 次查看 2016Multilevel Model Using Mplus data2020-2-7 10:57 - zzq05@126.com - LISREL、AMOS等结构方程模型分析软件
2019 Multilevel Modeling using R.pdf
1 个回复 - 850 次查看 2019 Multilevel Modeling using R.pdf2020-2-7 10:47 - zzq05@126.com - LISREL、AMOS等结构方程模型分析软件
2019 Multilevel Structural Equation Modeling.pdf
1 个回复 - 1000 次查看 2019 Multilevel Structural Equation Modeling.pdf2020-2-7 10:50 - zzq05@126.com - LISREL、AMOS等结构方程模型分析软件
Multilevel and Longitudinal Modeling with IBM SPSS, 2nd Edition
128 个回复 - 18605 次查看 Multilevel and Longitudinal Modeling with IBM SPSS, 2nd Edition English | 2013 | ISBN: 0415817110, 0415817102 | 464 pages | PDF | 18 MB This book demonstrat ...2015-9-21 20:26 - igs816 - SPSS论坛
Multilevel Modeling Using R 2nd Edition
8 个回复 - 2030 次查看 Multilevel Modeling Using R2019-8-28 21:03 - thinking2009 - R语言论坛
Multilevel and longitudinal modeling using Stata, 3英文原版第三版
4 个回复 - 1307 次查看 需要买数据,各位不好意思啦,小小的先收多点~~2019-12-15 10:06 - wunianwei310 - Stata专版
Multilevel Business Processes: Modeling and Data Analysis
14 个回复 - 2829 次查看 Multilevel Business Processes: Modeling and Data Analysis Christoph G. Schuetz examines the conceptual modeling aspects of multilevel business processes without neglecting the implementation aspe ...2015-12-1 17:35 - exuan1991 - 金融学(理论版)
multilevel model 内生性问题
1 个回复 - 551 次查看 使用multilevel model,如果有内生性问题,如何处理呢?求帮助2019-10-26 09:13 - Flora_233329 - 爱问频道
Multilevel Models Applications Using SAS 第二版(2011)下载
119 个回复 - 15024 次查看 Multilevel Models Applications Using SAS,2011年最新出版。免费下载,链结回复可见。 求版主给个好评呗。 **** 本内容被作者隐藏 ****2013-8-29 00:17 - winddr - 商业数据分析
【学习笔记】求Multilevel modeling using R 的随书数据
0 个回复 - 664 次查看Multilevel modeling using R 的随书数据2019-9-20 15:52 - 牛逼的李大文 - Forum
多层线性模型SPSS,SAS,STATA,R比较:Multilevel Models
2 个回复 - 3510 次查看 多层线性模型Multilevel Models, SPSS,SAS,STATA,R比较, 四个最常用的统计比较, 包括各种模型的code。 为减轻网站流量负担,请各位战友根据论坛币下载。 祝各位战友学习愉快!!! 其中stata的code: ...2018-2-10 17:57 - sulight - Stata专版
2014Multilevel and Longitudinal Modeling with IBM SPSS21
10 个回复 - 3102 次查看 2018-7-27 09:30 - 叶蕴锋 - SPSS论坛
multilevel and longitudinal modeling using stata Third Edition 书籍及数据
2 个回复 - 2075 次查看 论坛上有朋友发过第一卷的扫描版 没有第二卷 先上传完整版本(非扫描版) 并把数据和练习题的答案也下载下来上传了,方便一起下载2019-5-29 16:41 - 无情兽 - 计量经济学与统计软件
免费分享 Multilevel model application using SAS
6 个回复 - 1491 次查看 有用的一本书,免费分享给大家。2016-4-19 10:04 - pcjoshua - 商业数据分析
A Primer on Bayesian Multilevel Modeling using PyStan
5 个回复 - 725 次查看 **** 本内容被作者隐藏 ****2018-8-3 09:05 - Nicolle - winbugs及其他软件专版
[Github]Using Mplus for Multilevel Modeling
20 个回复 - 2970 次查看 This repository contains data and code for an introductory tutorial on using Mplus for multilevel modeling. This tutorial is based heavily on an example from a book on multilevel modeling by Joop Hox. ...2017-8-22 09:25 - Nicolle - HLM专版
Gelman的新书:Data Analysis Using Regression and MultilevelHierarchical Models
31 个回复 - 8615 次查看 Gelman的新书Data Analysis Using Regression and Multilevel/Hierarchical ModelsPreface xix1 Why? 11.1 What is multilevel regression modeling? 11.2 Some examples from our own research 31.3 Motivations fo ...2009-3-26 16:38 - prestige - 计量经济学与统计软件
[好书不贵]Data Analysis Using Regression and MultilevelHierarchical Models
12 个回复 - 4459 次查看 Data Analysis Using Regression and Multilevel/Hierarchical Models Data Analysis Using Regression and Multilevel/Hierarchical Models is a comprehensive manual for the applied researcher who w ...2010-7-13 09:04 - okxjg - SPSS论坛
Data Analysis Using Regression and Multilevel/Hierarchical Models
29 个回复 - 9155 次查看 1 Why? 1 1.1 What is multilevel regression modeling? 1 1.2 Some examples from our own research 3 1.3 Motivations for multilevel modeling 6 2 Concepts and methods from basic probability and stati ...2009-8-29 16:46 - chenguanghua - R语言论坛
Multilevel and longitudinal modeling using Stata 第三版 volume 2 下载
28 个回复 - 11389 次查看 Multilevel and longitudinal modeling using Stata 第三版 Volume 2 下载,请悬赏的同学先购买,然后再降价吧。感谢voodoo帮忙制作图书。第一卷论坛上已经有,可以自行下载。 图书介绍: http://www.stat ...2014-5-17 21:35 - jethan - 计量经济学与统计软件
The Grateful Workplace: A Multilevel Model of Gratitude in Organizations
1 个回复 - 419 次查看 【作者(必填)】Ryan Fehr, Ashley Fulmer, Eli Awtrey, and Jared A. Miller 【文题(必填)】The Grateful Workplace: A Multilevel Model of Gratitude in Organizations 【年份(必填)】2017 【全文链接或数据 ...2018-3-18 18:16 - bxmzone - 求助成功区
Multilevel Modeling Using Mplus
4 个回复 - 1112 次查看 【作者(必填)】 Holmes Finch, Jocelyn Bolin 【文题(必填)】 Multilevel Modeling Using Mplus【年份(必填)】 2017 【全文链接或数据库名称(选填)】https://www.crcpress.com/Multilevel-Modeling-Using-Mplus ...2017-8-6 21:23 - 323191599 - 求助成功区
A Primer on Bayesian Multilevel Modeling using PyStan
18 个回复 - 1624 次查看 **** 本内容被作者隐藏 ****2018-2-14 23:05 - Nicolle - HLM专版
[下载]Multilevel and Longitudinal Modeling with SPSS Routledge 2010
22 个回复 - 10781 次查看 Multilevel and Longitudinal Modeling with IBM SPSS (Quantitative Methodology Series) Ronald H. Heck (Author), Scott L. Thomas (Author), Lynn N. Tabata (Author) This is the first book ...2014-1-2 01:03 - Nicolle - HLM专版
SAS,Stata,HLM,R,SPSS,Mplus6大神器之Multilevel Modeling
0 个回复 - 1731 次查看 Multilevel Modeling Tutorial,SAS, Stata, HLM, R, SPSS, and Mplus,汇集了6大统计神器,附件RAR文件是数据库文件。 pdf文件里面有书签, 为减轻网站流量负担,请各位战友根据论坛币下载。 祝各位战友学习愉快! ...2018-2-10 18:52 - sulight - 计量经济学与统计软件
【独家发布】 R语言: Multilevel Modeling in R, R for Stata User
2 个回复 - 3650 次查看 Multilevel Modeling in R This is an introduction to how R can be used to perform a wide variety of multilevel analyses. “Multilevel analysis” is a term used to describe a set of analyses also ref ...2013-1-23 16:47 - ping_gu_org - 数据分析与数据挖掘
Multilevel and Longitudinal Modeling Using Stata, 2nd Edition》OCR美化版
18 个回复 - 8379 次查看 Sophia Rabe-Hesketh and Anders Skrondal 著的这部书在STATA Press图书中销售高居第三名,售价$59。bookbug不辞辛苦进行扫描并OCR,在人大经济论坛stata上传下载区提供下载。但网友反映该书页码混乱,使用十分不便 ...2010-12-25 12:33 - 麦客 - 计量经济学与统计软件
Applying Multilevel Model to The England Health Survey using MLwiN
0 个回复 - 1499 次查看 Contents ...................................................................................................................................................... 2 Table of figures ................ ...2013-12-2 05:04 - Statachen - HLM专版
Comparisons of Estimation Procedures for Nonlinear Multilevel Models
0 个回复 - 1490 次查看 Comparisons of Estimation Procedures for Nonlinear Multilevel Models2013-12-10 12:16 - Lisrelchen - HLM专版
[讨论]Multilevel MixedTobit/Censored Model?
1 个回复 - 2000 次查看 I am planning to estimate a censored model with fixed and random effects at a number of levels and I am trying to find an appropriate software for this.The model is to explain vehicle kilometres trave ...2014-1-12 06:00 - Lisrelchen - HLM专版
Centering Predictor Variables in Cross-Sectional Multilevel Models
2 个回复 - 1473 次查看 Centering Predictor Variables in Cross-Sectional Multilevel Models: A New Look at an Old Issue2014-1-12 04:54 - Nicolle - HLM专版
Multilevel Modelling of Event History Data
1 个回复 - 1586 次查看 Multilevel Modelling of Event History Data: Comparing Methods Appropriate for Large Datasets Catherine Helen Stewart 20102014-1-10 12:24 - Trevor - HLM专版
Adjusting for Unequal Selection Probability in Multilevel Models:
0 个回复 - 1063 次查看 Adjusting for Unequal Selection Probability in Multilevel Models: A Comparison of Software Packages Kim Chantala Chirayath Suchindran Carolina Population Center, UNC at Chapel Hill Carolina Population ...2014-1-8 01:18 - Lisrelchen - HLM专版
Bias and inappropriate inference with the multilevel model
1 个回复 - 1290 次查看 An inconvenient dataset: bias and inappropriate inference with the multilevel model AbstractThe multilevel model has become a staple of social research. I textually and formally explicate sample de ...2014-1-8 12:44 - SPSSCHEN - HLM专版
Paul Tremblay: Lecture Notes Multilevel Modeling University of Western Ontario
0 个回复 - 1638 次查看 Psychology 9542A/B. Multilevel Modeling(Last offered January 2013; course outline) This course serves as an introduction to multilevel modeling (also known as hierarchical linear modeling, mixed mo ...2014-1-8 00:56 - Lisrelchen - HLM专版
Multilevel Modeling Techniques for Analyzing Comparative Longitudinal Survey
0 个回复 - 1491 次查看 Two Multilevel Modeling Techniques for Analyzing Comparative Longitudinal Survey Datasets Malcolm FairbrotherAbstractIncreasing numbers of comparative survey datasets span multiple waves. Moving beyo ...2014-1-7 09:57 - Statachen - HLM专版
What Kind of Multilevel Model Should I Use?
0 个回复 - 1324 次查看 I'm planning to conduct a secondary data analysis of a large dataset collected from 10th grade students in 32 schools over a 6-year period from 1999-2005. I'm interested in using multilevel models to ...2014-1-7 09:54 - Statachen - HLM专版
How can I convert a multilevel model to a mixed model in Stata?
1 个回复 - 1390 次查看 How can I convert a multilevel model to a mixed model? http://www.ats.ucla.edu/stat/stata/faq/ml2mixed.htm2014-1-11 20:06 - 农村固定观察点 - HLM专版
How to Estimate Multiple Membership Multilevel Model?
0 个回复 - 1172 次查看 Hello, Does anyone know if it is possible to estimate a multiple membership multilevel[/backcolor] model (3 levels) for an ordered category outcome in gllamm? Thanks,2014-1-7 09:08 - Statachen - HLM专版
Estimating the Multilevel Rasch Model: With the lme4 Package
1 个回复 - 1642 次查看 Estimating the Multilevel Rasch Model: With the lme4 Package Traditional Rasch estimation of the item and student parameters via marginal maximum likelihood, joint maximum likelihood or conditional m ...2013-12-10 12:28 - Lisrelchen - HLM专版
cudaBayesreg: Bayesian Multilevel Model for fMRI Data
0 个回复 - 1414 次查看 2013-12-10 12:22 - Lisrelchen - HLM专版
[讨论]Multilevel Model with Time-Varying Predictor using Stata?
1 个回复 - 1723 次查看 Hi all, I'm trying to figure out how to set-up a multilevel model to predict monthly health outcomes with a time-varying predictor of interest using Stata? The model is specified as follows: ...2014-1-5 11:57 - Trevor - HLM专版
Multilevel (hierarchical) modeling: what it can and can't do
0 个回复 - 1192 次查看 Multilevel (hierarchical) modeling: what it can and can't doAndrew Gelman Introduction Multilevel Modeling can be used for a variety of purposes, including prediction, data reduction, and causal i ...2014-1-7 09:49 - Statachen - HLM专版
Bayesian Multilevel Model with an AR(1) Correlation Structure?
0 个回复 - 1377 次查看 I am wondering how you could specify a multilevel model with an AR(1) correlation structure. For example, how do I replicate following R programming(using R package nlme) using either Jags/stan?[/back ...2014-1-10 11:44 - Trevor - HLM专版
Causal inference using multilevel models
2 个回复 - 1751 次查看 Causal inference using multilevel models Causal inference using regression has an inherent multilevel structure—the data give comparisons between units, but the desired 才ausal inferences are with ...2014-1-10 12:15 - Trevor - HLM专版