结果:找到“if reg”相关内容295个,排序为按回复时间降序,搜索更多相关帖子请点击“高级
Classification and Regression Trees(EPUB版)(1984)
30 个回复 - 12034 次查看 by Leo Breiman, Jerome Friedman, Charles J. Stone, R.A. Olshen Publication Date: January 1, 1984 ISBN-10: 0412048418 ISBN-13: 978-0412048418 The methodology used to construct tree structu ...2014-6-16 15:26 - 410234198 - 数据分析与数据挖掘
Matching, Regression Discontinuity, Difference in Differences, and Beyond
1 个回复 - 1646 次查看 之前的文件部分有亂碼,重新發一下。 Matching, Regression Discontinuity, Difference in Differences, and Beyond by Myoung-jae Lee [*]For the three most popular research methods (matc ...2019-2-20 23:03 - SleepyTom - 金融工程(数量金融)与金融衍生品
A mark-specific quantile regression model
1 个回复 - 375 次查看 【作者(必填)】 3 【文题(必填)】 A mark-specific quantile regression model 【年份(必填)】 3 【全文链接或数据库名称(选填)】https://academic.oup.com/biomet/advance-article-abstract/doi/10.1093/bio ...2023-6-23 12:09 - internet.hzx - 求助成功区
Classification and Regression Trees Breiman, Leo
4 个回复 - 976 次查看 The tree methodology discussed in this book is a child of the computer age. Unlike many other statistical procedures which were moved from pencil and paper to calculators and then to computers, this ...2023-2-21 23:06 - 笑哈哈999 - Forum
Statistical Regression and Classification From Linear Models to Machine Learnin
9 个回复 - 3711 次查看 Statistical Regression and Classification: From Linear Models to Machine Learning takes an innovative look at the traditional statistical regression course, presenting a contemporary treatment in line ...2017-9-23 20:43 - nivastuli - 博弈论
Oaxaca、brown、rifreg等工资分解的Stata程度文件
4 个回复 - 3429 次查看 各处搜寻的性别工资差异分解的STATA文件,布朗分解,瓦哈卡分解和rifreg回归分解,还有个rqdeco三部分分解,.ado文件和.hlp文件需要自己放进对应的首字母文件夹(比如brown.ado和brown.sthlp就放进ado文件夹下的base ...2019-12-1 16:59 - huyutao1120 - 劳动经济学
Handbook in economics-Regional and urban economics, fifth
3 个回复 - 751 次查看 Handbook in economics-Regional and u rban economics, fifth, Chinese, A and B2022-8-8 09:20 - Kuibu - 区域经济学
求助SD文献+Some identification and estimation results for regression models with
2 个回复 - 525 次查看 【作者(必填)】AdrianPagan[/backcolor] 【文题(必填)】Some identification and estimation results for regression models with stochastically varying coefficients 【年份(必填)】Volume 13, Issue 3[/back ...2022-8-19 10:16 - scottan123456 - 求助成功区
countertrade in the asian-pacific region
0 个回复 - 55 次查看 2022-7-31 08:16 - U42TW67862 - 经管书评
交互固定效应regife没有报告R2,请问需要报告什么?
6 个回复 - 2844 次查看 求助各位:用交互固定效应命令,运行后并没有R2值,请问在论文中要报告什么呢?我看到国内部分Top期刊都报告了R2,但我直接运行连玉君老师的教程命令后regife ln_w tenure, a(id year) f(id year, 1),也没有显示R2, ...2023-3-16 17:20 - XXJ0620 - Stata专版
stata 命令reghdfe:Can't specify cluster without clustervars (and viceversa)
2 个回复 - 1812 次查看 在使用reghdfe的时候出现,Can't specify cluster without clustervars (and viceversa),请问这是怎么回事呢?2022-9-29 16:32 - 婉儿一笑 - 爱问频道
long- difference regression是什么意思
4 个回复 - 2819 次查看 在读文献的时候发现有的学者使用了long- difference regression来做,想问一下什么是long- difference regression? 具体来说就是本来是面板数据,由于工具变量是截面的,所以将面板数据的Y取增长率、控制变量取 ...2019-3-15 21:30 - 主观性3 - 爱问频道
系统GMM回归报错Equation not identified. Regessors outnumber instruments.
4 个回复 - 2347 次查看 运用 xtabond2进行系统GMM回归,引入了gvcp滞后2期gvcplag2,lndinesp滞后1期lndinesplag和lnfinesp滞后1期lnfinesplag ,结果有如下错误提示,请问该怎么解决? xtabond2 gvcp gvcplag2 lndinesplag lnfinesplag ...2022-12-11 21:05 - 1186107939 - 悬赏大厅
VIF与REG回归分析结果合并输出问题
11 个回复 - 14865 次查看 我想在 reg y x1 x2 x3 est store m1 estat vif 之后将m1和mean-vif值一起导入到word中,不知如何使用命令。还请各位大侠指点迷津。2015-4-22 11:17 - gavin4403 - Stata专版
regife命令
3 个回复 - 821 次查看 各位大牛,请问使用regife命令如何加稳健标准误呢?是这个命令本身就包含稳健标准误吗?2023-10-14 20:02 - 311823020219 - Stata专版
stata reghdfe后面加if语句出现drop观察值的情况
6 个回复 - 1392 次查看reghdfe命令时,想选择样本,用了if,然后它就drop掉了一些观察值,为什么会出现这种情况呢,报告出来的样本量不符合,怎么解决?2023-12-15 09:47 - peace111111 - Stata专版
Patent Regime Shift and Firm Innovation: Evidence from the Second Amendment to C
0 个回复 - 279 次查看 【作者(必填)】 Tong, Tony W. He, Wenlong He, Zi-Lin Lu, Jiangyong 【文题(必填)】Patent Regime Shift and Firm Innovation: Evidence from the Second Amendment to China’s Patent Law 【年份(必填 ...2023-12-5 22:50 - liujiafei - 文献求助专区
Patent Regime Shift and Firm Innovation: Evidence from the Second Amendment to C
16 个回复 - 10708 次查看 【作者(必填)】TW Tong,W He,ZL He,J Lu 【文题(必填)】Patent Regime Shift and Firm Innovation: Evidence from the Second Amendment to China’s Patent Law 【年份(必填)】《Academy of Management Annu ...2016-5-16 09:13 - wangying1778 - 文献求助专区
事件研究法的t检验 reg CAR_id if dif==0,与ttest CAR_id =0哪种对?
3 个回复 - 4016 次查看 如题,在验证样本总体的CAR是否显著的时候,在网上找到了两种代码, 第一种 reg CAR_id if dif==0, robust noheader 不显著 第二种 ttest CAR_id =0 p=0,非常显著 想问这两种方法都对吗?为什么差异这么大 ...2018-3-9 16:24 - irrena - Stata专版
PROC LIFEREG进行生存分析
2 个回复 - 378 次查看 PROC LIFEREG;CLASS ecg;MODEL stime*censor(0)=age1 mbp ecg/ DIST=WEIBULL;RUN;用以上语句进行生存分析时,其中ecg为分类变量,结果为:0 1 2;使用以上语句进行分析时,默认是0和1与2做比较,即ecg=2的为参照(如 ...2023-9-12 08:17 - yaawuu - SAS专版
用DID模型时,我发现用diff和reg得出来的结果是一样的,但是用xtreg却不一样。
6 个回复 - 3765 次查看reg q after##treat x lnrb lnpc dppi 与用diff q , t(treat) p(after) cov( lnrb lnpc dppi x ) report 以上两个跑出来的结果是一样的。 但用xtreg q after##treat x lnrb lnpc dppi 结果就不一样了 ...2020-5-27 21:14 - totomaqu7909 - Stata专版
SAS生存分析LIFEREG做区间删失数据的参数分布后,怎么求出结局变量的百分位数啊?
1 个回复 - 217 次查看 SAS生存分析LIFEREG做区间删失数据(如潜伏期)的参数分布后,对于得到的各类参数分布模型,怎么估计潜伏期的百分位数呢? 比如这篇文献,右边的潜伏期百分位数数据怎么得到呀??? 还有参数分布的累积密度分布函 ...2023-5-12 18:34 - 15360468361 - 灌水吧
如何下载rifreg命令?
0 个回复 - 558 次查看 在stata中只能找到xtrifreg命令,但没有rifreg的命令,请问有大神有命令文件吗?2023-4-7 18:16 - 非冰似寒 - Stata专版
求大佬指点双重差分法diff命令与xtreg的区别
8 个回复 - 6103 次查看 请问在stata中,用两年的不平衡面板数据,使用stata自带的diff命令做双重差分;和xtreg y D*T D T x,fe以及reg y D*T D T x有什么区别呢?分别适用于什么情况,或者哪一个才是正确的呢?(D*T为关键的政策实施解 ...2020-6-5 21:09 - lucky白羊 - Stata专版
求问各位大佬,双重差分diff和reg命令做出的系数一定是一样的吗?
0 个回复 - 351 次查看 这两个命令有什么使用范围或者计算方式的区别吗?我看陈强老师的书上做出来的系数一样,但我的影响方向和显著性是一样的,系数和P值不太一样。 diff target if sample==0,t(treated) p(time) robust reg target dt ...2023-2-22 13:31 - Stata不是我的对手 - Stata专版
DID设计及regife 模型
1 个回复 - 743 次查看 想用面板数据完成DID的研究,在设计模型的时候加入“时间固定”、”个体固定“、”时间与个体交互的固定“于是使用了regife。[/backcolor] 请问regife Y treat*post $cv , a(stkcd year) f(stkcd year, 1) vce (rob ...2022-6-8 15:36 - 13542009324 - Stata专版
求教rifreg回归命令
1 个回复 - 1062 次查看 有没有学友可以分享下stata rifreg.ado文件寻找方式及安装方式,我想做无条件分位数回归,可以分享具体代码,但是找不到rifreg.ado文件,谢谢!2022-7-21 19:24 - feeling8984 - 站务与外事
Residual-based test for cointegration in models with Regime shifts
1 个回复 - 481 次查看 【作者(必填)】Gregory and Hansen 【文题(必填)】Residual-based test for cointegration in models with Regime shifts 【年份(必填)】1996 【全文链接或数据库名称(选填)】2022-6-27 09:36 - sqy - 求助成功区
cox论文原版下载Regression Models and Life-Tables
10 个回复 - 5243 次查看 cox论文原版下载Regression Models and Life-Tables2009-2-4 21:23 - gongxun1234 - 计量经济学与统计软件
【独家发布】Detection of Differential Item Functioning with Nonlinear Regression: A No
7 个回复 - 2120 次查看 AbstractIn this article we present a general approach not relying on item response theory models (non-IRT) to detect differential item functioning (DIF) in dichotomous items with presence of guessing. ...2018-1-28 14:30 - jiandong4388 - IRT理论相关软件
LNG AND GTL DEVELOPMENTS LNG receiving and regasificat
2 个回复 - 575 次查看 【作者(必填)】Lemmers, S. P. B., Vopak LNG Holding BV 【文题(必填)】July 2005SPECIAL REPORT: LNG AND GTL DEVELOPMENTSLNG receiving and regasification terminal operationsUnderstanding and controllin ...2022-3-10 18:15 - 真龙121 - 文献求助专区
Quantifying the extent of visit irregularity in longitudinal data
2 个回复 - 501 次查看 【作者(必填)】Armend Lokku[/backcolor] 1[/backcolor] 2[/backcolor], Catherine S Birken[/backcolor] 3[/backcolor] 4[/backcolor] 5[/backcolor] 6[/backcolor], Jonathon L Maguire[/backcolor] 7[/backcolor] ...2022-2-15 16:56 - mengqinqing - 文献求助专区
请问大家,怎样输出VIF值到表格中?能用outreg2吗?
4 个回复 - 16236 次查看 输出回归结果的命令中,感觉outreg2最好用。但是,最近想在回归表格中加入VIF值,好像outreg2输出不了。不知大家有何好办法?? 先谢谢大家!2013-9-1 10:52 - ajun685 - Stata专版
Sample size determination for a specific region in a multiregional trial
1 个回复 - 523 次查看 【作者(必填)】Feng-Shou Ko, Hsiao-Hui Tsou, Jen-Pei Liu, Chin-Fu Hsiao 【文题(必填)】Sample size determination for a specific region in a multiregional trial 【年份(必填)】2010 【全文链接或数 ...2022-1-4 16:58 - nalan22 - 求助成功区
Sample size determination for a specific region in a multiregional trial
1 个回复 - 505 次查看 【作者(必填)】Feng-Shou Ko 1, Hsiao-Hui Tsou, Jen-Pei Liu, Chin-Fu Hsiao 【文题(必填)】 Sample size determination for a specific region in a multiregional trial 【年份(必填)】2010 【全文链接 ...2022-1-4 16:54 - nalan22 - 求助成功区
请问xtreg中加入if nomiss==1是什么意思?nomiss not found?
1 个回复 - 701 次查看 请问xtreg中加入if nomiss==1是什么意思?而且stata结果中显示的是nomiss not found,这又是什么意思?2021-10-15 11:52 - replysoon - Stata专版
求助文献The Evolving Impact of Global, Region-Specific, and Country-Specific ...
1 个回复 - 706 次查看 【作者(必填)】 Haroon Mumtaz ; Alberto Musso 【文题(必填)】 The Evolving Impact of Global, Region-Specific, and Country-Specific Uncertainty 【年份(必填)】 Journal of Business & Economic Stati ...2021-10-9 21:57 - 1012124855 - 求助成功区
Model Specification in Instrumental-Variables Regression
1 个回复 - 441 次查看 【作者(必填)】Thad Dunning 【文题(必填)】Model Specification in Instrumental-Variables Regression 【年份(必填)】Political Analysis, 2008, 16(3), 290-302 【全文链接或数据库名称(选填)】https:// ...2021-9-6 09:48 - hiderm - 求助成功区
Economics of Regulation and Antitrust, Fifth Edition
2 个回复 - 1333 次查看 【作者(必填)】W. Kip Viscusi, Joseph E. Harrington, Jr. and David E. M. Sappington 【文题(必填)】Economics of Regulation and Antitrust, Fifth Edition 【年份(必填)】2018 【全文链接或数据库名称(选 ...2019-4-23 20:31 - fhx - 文献求助专区
My life as a recruit was regimented.
0 个回复 - 479 次查看 01.营养不良 malnutrition [*]A 7-month-old newborn died of malnutrition in New York.纽约一个七个月大婴儿因为营养不良去世了。 [*]Why would the baby die from malnutrition?这个孩子为什么会因为营养 ...2021-7-12 13:32 - 杨明凡 - 外语学习
为什么三重差分用diff与reghdfe结果不同,正确的应该怎么处理
1 个回复 - 2098 次查看 如标题,treat是0-1处理组和对照组的虚拟变量,post是0-1时间变量,silkr是第二个0-1处理组和对照组的虚拟处理变量。有三维 城市-国家-时间的数据。为什么使用reg 和diff命令结果不同,而且diff不显著呢?因为是三维 ...2021-5-29 21:18 - universeve - Stata专版
三重差分reg与diff命令结果不一致
3 个回复 - 3792 次查看 结果是0.426 三个变量的交互项是0.119 为什么呢?我看到做diff的时候stata是这么注释的,这是不是因为rate是连续变量,但[/backcolor]stata是自动根据rate这个变量分组了,所以与reg命令的回归结果不一致? ...2018-5-22 08:57 - 愿以碧云思 - Stata专版
Tariff games: Cooperation with random variation in political regimes
2 个回复 - 628 次查看 【作者(必填)】 Dale O.StahlArja H.Turunen-Red 【文题(必填)】 Tariff games: Cooperation with random variation in political regimes 【年份(必填)】1995 【全文链接或数据库名称(选填)】 https://www. ...2021-5-21 23:09 - shetianlang - 求助成功区
Brain Regions Identified as Being Associated With Verbal Reasoning Through the U
1 个回复 - 708 次查看 【作者(必填)】 23 【文题(必填)】 Brain Regions Identified as Being Associated With Verbal Reasoning Through the Use of Imaging Regression via Internal Variation 【年份(必填)】 232 【全文链接或数 ...2021-5-7 16:36 - internet.hzx - 求助成功区
Brain Regions Identified as Being Associated With Verbal Reasoning Through the U
1 个回复 - 611 次查看 【作者(必填)】23 23 【文题(必填)】 Brain Regions Identified as Being Associated With Verbal Reasoning Through the Use of Imaging Regression via Internal Variation 【年份(必填)】 23 【全文链接或数 ...2021-5-7 15:56 - internet.hzx - 求助成功区
Some Notes on Parametric Significance Tests for Geographically Weighted Regressi
2 个回复 - 598 次查看 【作者(必填)】 Chris Brunsdon[/backcolor] A. Stewart Fotheringham[/backcolor] Martin Charlton[/backcolor] 【文题(必填)】Some Notes on Parametric Significance Tests for Geographically Weighte ...2021-3-5 17:22 - 1031983967@qq.c - 求助成功区
privatization in the asian-pacific region
0 个回复 - 62 次查看 2021-3-19 15:56 - 1j79721582 - 经管书评
A novel conceptual design by integrating NGL recovery and LNG regasification pro
1 个回复 - 216 次查看 【作者(必填)】Wang, Meiqian[/backcolor]; [/backcolor]Zhang, Jian[/backcolor]; [/backcolor]Xu, Qiang[/backcolor] 【文题(必填)】A novel conceptual design by integrating NGL recovery and LNG regasific ...2020-9-1 19:28 - 真龙121 - 求助成功区
Airbnb impact and regulation issues through destination life cycle concept
1 个回复 - 478 次查看 【作者(必填)】 Spyros Avdimiotis, Ioulia Poulaki 【文题(必填)】 Airbnb impact and regulation issues through destination life cycle concept 【年份(必填)】 2019 【全文链接或数据库名称(选填)】 ...2021-2-23 13:50 - syyfd - 求助成功区
政策实施赋值1,未实施为0,进行回归(stata用diff或reg命令),算双重差分方法吗?
9 个回复 - 6500 次查看 某税收政策改革,分地区、分年份逐步开展,政策实施赋值为1,未实施赋值为0,进行回归(stata用diff,或者reg命令,只用下图四个省份的数据,不考虑其他省份),算双重差分方法吗?如图所示:2017-7-11 20:21 - 玄火小王 - Stata专版
Statistical Regression and Classification From Linear Models to Machine Learning
1 个回复 - 1064 次查看 作者:Norman Matloff, University of California, Davis, USA 1 Setting the Stage 2 Linear Regression Models 3 Homoscedasticity and Other Assumptions in Practice 4 Generalized Linear and Nonlinear M ...2020-11-16 11:27 - jinshunwu - 计量经济学与统计软件
请问stata reg中如何区分significant at 5% level
0 个回复 - 877 次查看 如图所示,题目要求区分5% level,我们是应该看95% conf为0.110005,然后填yes么2020-11-6 22:36 - 铜锣烧栗子 - Stata专版
Xiaohui Liu+Asymptotic Theory and Unified Confidence Region for an Autoregressiv
2 个回复 - 755 次查看 【作者(必填)] Xiaohui Liu,Liang Peng[/backcolor] 【文题(必填)】Asymptotic Theory and Unified Confidence Region for an Autoregressive Model 【年份(必填)】2019 【全文链接或数据库名称(选填)】2020-9-19 20:42 - harlon1976 - 求助成功区
Variance Reduction for Regenerative Simulations. I. Internal Control and Stratif
6 个回复 - 1401 次查看 Variance Reduction for Regenerative Simulations. I. Internal Control and Stratified Sampling for Queues 1976年版,作者:Donald L. Iglehart, Peter A. W. Lewis 共140页2015-1-20 01:03 - wh7064rg - 经济金融数学专区
Patent Regime Shift and Firm Innovation: Evidence from the Second Amendment to C
1 个回复 - 996 次查看 【作者(必填)】 Tong T W , He W , He Z L , et al. 【文题(必填)】 Patent Regime Shift and Firm Innovation: Evidence from the Second Amendment to China's Patent Law[/backcolor]【年份(必填)】 2014 【 ...2020-4-19 11:36 - 1031983967@qq.c - 文献求助专区
stata did模型reg出现omitted ,diff结果有问题
5 个回复 - 4309 次查看 用did模型研究卖空机制 list表示在样本期间内被纳入政策名单的样本赋值1,否则0 post表被纳入融资融券名单之后的年度赋值 1,否则0,并作滞后一期处理 gen lagpost=l.post gen listlagpost=list*lagpost xtset ...2019-11-8 13:58 - super杨 - Stata专版
Alternatives to difference scores: Polynomial regression analysis and response s
3 个回复 - 1137 次查看 【作者(必填)】 Edwards, Jeffrey R. 【文题(必填)】Alternatives to difference scores: Polynomial regression analysis and response surface methodology 【年份(必填)】 2002 【全文链接或数据库名称(选填 ...2018-5-15 17:30 - 宁静的城np - 求助成功区
BA C8 Predictive Modelling with Classification and Regression Trees
0 个回复 - 522 次查看 LO Explain how a decision tree works for categorical and continuous outcome variables Build a decision tree using SAS Visual Analytics (SAS VA) Explain how a splitting algorithm works Discuss how ...2020-3-23 14:52 - miseryangel - Forum
求书Classification and Regression Trees Leo Breiman
15 个回复 - 4425 次查看 [*]出版社: Chapman & Hall/CRC (1984年1月1日) [*]平装: 368页 [*]语种: 英语 [*]ISBN: 0412048418 [*]条形码: 9780412048418 [*]商品尺寸: 1.9 x 16.5 x 24.1 cm [*]商品重量: 531 g [*]ASIN: 041204841 ...2014-1-14 15:13 - liumahao - 悬赏大厅
Inference Based on Structural Vector Autoregressions Identified With Sign and Ze
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