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结果：找到“Difference”相关内容718个，排序为按回复时间降序，搜索更多相关帖子请点击“高级”

中国100万植被类型数据＋中国月度1KM植被指数（NDVI）空间分布数据
2 个回复 - 419 次查看本图集为四开本，280页，包括1:1 000 000 分幅的中国植被类型图60幅、1:10 000 000 的中国地势图、中国植被图和中国植被区划图各1幅，附中英文对照图例。本图集是国家自然资源和自然地理特征的基本图件，是研究全球 ...2023-6-11 21:02 - xiachichia - 现金交易版

地级市土地植被覆盖、l绿化面积、植被指数（1990-2020），整理好的面板数据
0 个回复 - 492 次查看地级市土地植被覆盖数据（1990-2020），整理好的面板数据，stata或excel版本 NDVI (Normalized Difference Vegetation Index) 是一种用来评估植被状况的指数。能够用于衡量地级市的土地植被覆盖情况 ...2023-5-22 09:55 - 15056401120 - 现金交易版

基于Matlab 数值方法第1-11章习题答案Numerical Methods_ Using MATLAB
1 个回复 - 344 次查看基于Matlab 数值方法第1-11章习题答案Numerical Methods_ Using MATLAB ，也是教师手册 =Instructor's Solution Manual for Numerical Methods: Using MATLAB John H. Mathews and Kurtis D. Fink August 2012 ...2023-4-27 07:12 - Fu-pear - 现金交易版

美式期权定价 Finite Difference Method in American Option Pricing
44 个回复 - 10889 次查看在用有限差分法（Finite Difference）对options进行定价的时候，主要分为space discretization和time discretization两部分，附件中的这篇paper在space discretization上统一使用的都是中心差分（central f ...2012-7-13 01:54 - shihang0724 - 金融工程（数量金融）与金融衍生品

求助一篇文献，谢谢。Difference analysis of the relationship
2 个回复 - 772 次查看【作者(必填)】panelYimanDong[/backcolor] T[/backcolor]aoZhao[/backcolor] 【文题(必填)】Difference analysis of the relationship between household per capita income, per capita expenditure and ...2018-6-16 10:41 - w1w2jack - 求助成功区

Matching, Regression Discontinuity, Difference in Differences, and Beyond
1 个回复 - 1594 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

【书籍下载】DIFFERENCE EQUATIONS AND INEQUALITIES
2 个回复 - 1225 次查看 DIFFERENCE EQUATIONS AND INEQUALITIES Theory, Methods, and Applications Second Edition2015-10-4 22:40 - toughxiaoqiang - 计量经济学与统计软件

关于DDD三重差分triple difference的回归问题
22 个回复 - 35416 次查看求问：有木有大神知道stata里如何进行三重差分（difference in difference in difference；triple difference；与DID不同）操作？下图是基本原理：双重差分是diff；另外查到一个inteff3的命令，说明是：Partia ...2014-5-19 15:34 - jzhq006 - Stata专版

【书籍下载】An Introduction to Difference Equations
2 个回复 - 1695 次查看 An Introduction to Difference Equations Third Edition2015-10-4 22:44 - toughxiaoqiang - 计量经济学与统计软件

Differences and Commonalities between the Two Areas of Quantitative Finance
2 个回复 - 1778 次查看 There exist two separate branches of finance that require advanced quantitative techniques: the "Q" area of derivatives pricing, whose task is to "extrapolate the present"; and the "P" area of quantit ...2022-12-20 14:27 - 宽客老丁 - python论坛

双重差分模型，一个PPT：Difference in difference models
5 个回复 - 5718 次查看免费共享一个ppt，有需要的自取2018-4-28 20:54 - errorzhu - 计量经济学与统计软件

求助文献Synthetic Difference-in-Differences 2021 Synthetic Difference-in-
1 个回复 - 227 次查看主题：求助文献Synthetic Difference-in-Differences[/backcolor]2021 Synthetic Difference-in-Differences.pdf[/backcolor]2022-11-29 10:43 - 729728971 - 灌水吧

求助：Synthetic Difference-in-Differences
3 个回复 - 437 次查看【作者(必填)】 [*]Dmitry Arkhangelsky [*]Susan Athey [*]David A. Hirshberg [*]Guido W. Imbens [*]Stefan Wager 【文题(必填)】 Synthetic Difference-in-Differences 【年份(必填)】 2021 【全文链 ...2023-3-28 20:42 - newfei188 - 求助成功区

long- difference regression是什么意思
4 个回复 - 2754 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

【学习笔记】求书never split the difference ，kindle可以看的
2 个回复 - 654 次查看求书never split the difference ，kindle可以看的2019-9-22 07:12 - 2931_1569072815 - Forum

kwallis2结果解读， RankMeans difference、Critical value 有什么含义
2 个回复 - 2089 次查看 kwallis2结果解读， RankMeans difference、Critical value 有什么含义 Ho:xyz(culturegroup==1) = xyz(culturegroup==3) RankMeans difference = 289.17 Critical value = 175.82 Prob = 0.000007 (S) ...2016-4-7 14:04 - cland - Stata专版

personality and individual differences投稿疑问
8 个回复 - 3173 次查看请问PAID投稿一个月了，状态还是with editor，状态时间改过两次，请问这个正常吗？有一篇和我差不多类型的实证研究，晚投半个月都已经under review了2021-12-18 12:44 - xsk12342 - 学术道德监督

变量取对数后的一阶差分（First difference of LOG)≈增长率（percentage change)
3 个回复 - 3622 次查看以下这个解答很精彩，原汁原味借鉴过来，供大家参考交流。 First difference of LOG = percentage change: When used inconjunction with differencing, logging converts absolute differences into relative (i ...2021-2-20 21:26 - yinpeiwei - Forum

What Drives Differences in Management Practices
5 个回复 - 902 次查看【作者(必填)】Nicholas Bloom，Erik Brynjolfsson 【文题(必填)】What Drives Differences in Management Practices? 【年份(必填)】2019 https://www.aeaweb.org/articles?id=10.1257/aer.201704912023-3-29 15:13 - yishuiyuan2604 - 悬赏大厅

Differences in the health behaviors of elderly individuals and influencing facto
3 个回复 - 614 次查看【作者(必填)】Erpeng Liu，Yan Feng，Zhang Yue 【文题(必填)】Differences in the health behaviors of elderly individuals and influencing factors: Evidence from the Chinese Longitudinal Healthy Longev ...2019-10-25 23:22 - zxm403 - 求助成功区

Eigenvalue difference test for the number of common factors in the approximate f
1 个回复 - 265 次查看【作者(必填)】 Wu Jianhong 【文题(必填)】Eigenvalue difference test for the number of common factors in the approximate factor models 【年份(必填)】2018 【全文链接或数据库名称(选填)】10.1016/ ...2023-2-7 19:54 - 我来了 - 文献求助专区

【拥抱差异：日本与美国之间的跨国文化流动】 Embracing Differences
4 个回复 - 539 次查看 Embracing Differences: Transnational Cultural Flows Between Japan and the United States (Culture & Theory) by Iris Laemmerhirt (Author) The omnipresence and popularity of American consumer ...2016-11-25 12:59 - cmwei333 - 经管书评

【差异的考古学：性别，种族，阶级与古代的其他】The Archaeology of Difference
5 个回复 - 799 次查看 The Archaeology of Difference: Gender, Ethnicity, Class and the 'Other' in Antiquity. Studies in Honor of Eric M Meyers (Annual of ASOR) by Douglas R Edwards (Editor), C Thomas McCollough (Editor) ...2016-11-2 18:46 - cmwei333 - 经管书评

小白求助！请问做系统GMM时Difference-in-Hansen tests的p值一定要大于0.1才能通过吗
4 个回复 - 2434 次查看前面的Ar(2) 和Hansen J都通过了但是不太会看下面的四个p值是什么意思求大佬解答之前看的结论是说需要都大于0.1 那是不是只要有一个不大于0.1这个模型就不能用呢？ e.g. -------------------------------- ...2022-4-27 12:14 - chenyi11111 - Stata专版

请问这个difference和rend分别代表什么呀
0 个回复 - 291 次查看因为这两道题中都没有定义difference和trend的算法，所以不知道该怎么算，还是说这个单词一出来就默认是变化率或者变化倍数2022-8-30 08:21 - 1094210042 - 爱问频道

Differences in carbon emissions reduction between countries pursuing renewable
7 个回复 - 927 次查看【作者(必填)】 Sovacool, B.K., Schmid, P., Stirling, A. et al 【文题(必填)】 Differences in carbon emissions reduction between countries pursuing renewable electricity versus nuclear power 【年份( ...2022-8-22 15:53 - wxxstar21 - 求助成功区

The Diffusion of Differences: A Review and Reorientation of 20 Years of Diffusio
2 个回复 - 836 次查看【作者(必填)】Ivana Naumovska, Vibha Gaba and Henrich R. Greve 【文题(必填)】The Diffusion of Differences: A Review and Reorientation of 20 Years of Diffusion Research 【年份(必填)】2021 【全 ...2021-8-26 12:00 - aku2008 - 求助成功区

How much should we trust staggered difference-in-differences estimates
1 个回复 - 596 次查看【作者(必填)】Andrew C.BakeraDavid F.LarckerbCharles C.Y.Wangc 【文题(必填)】How much should we trust staggered difference-in-differences estimates 【年份(必填)】Journal of Financial Economics V ...2022-8-9 21:25 - hiderm - 求助成功区

Difference-in-Differences with multiple time periods
1 个回复 - 426 次查看【作者(必填)】BrantlyCallawayaPedro H.C.Sant’Anna 【文题(必填)】Difference-in-Differences with multiple time periods 【年份(必填)】Journal of Econometrics Volume 225, Issue 2, December 2021, Pa ...2022-8-9 21:33 - hiderm - 求助成功区

Difference-in-differences with variation in treatment timing
1 个回复 - 557 次查看【作者(必填)】Andrew Goodman-Bacon 【文题(必填)】Difference-in-differences with variation in treatment timing 【年份(必填)】Journal of Econometrics Volume 225, Issue 2, December 2021, Pages 254- ...2022-8-9 21:36 - hiderm - 求助成功区

Gender differences and patenting in Latin America understanding female particip
4 个回复 - 307 次查看【作者(必填)】【文题(必填)】Gender differences and patenting in Latin America: understanding female participation in commercial science 【年份(必填)】【全文链接或数据库名称(选填)】https://lin ...2022-7-17 20:05 - 日新少年 - 求助成功区

求助下载文献：Agricultural factor endowment differences and relative poverty nex
4 个回复 - 1998 次查看【作者(必填)】 Junxiu Song[/backcolor], Linling Geng[/backcolor]& Shah Fahad[/backcolor] 【文题(必填)】 Agricultural factor endowment differences and relative poverty nexus: an analysis of macroec ...2022-5-1 09:31 - qhdx-liujingqi - 求助成功区

OK Boomer: A decade of generational differences in feelings about climate change
3 个回复 - 461 次查看【作者(必填)】Janet K.[/backcolor]RosemaryAviste[/backcolor]Michael L.Lengieza[/backcolor]Carlie J.Fasano[/backcolor] 【文题(必填)】OK Boomer: A decade of generational differences in feelings about ...2022-5-18 16:46 - paulone - 求助成功区

求助下载文献！！Agricultural factor endowment differences and relative poverty n
0 个回复 - 3604 次查看文章题目：Agricultural factor endowment differences and relative poverty nexus: an analysis of macroeconomic and social determinants2022-5-1 09:33 - qhdx-liujingqi - Forum

求助文献Synthetic Difference-in-Differences
4 个回复 - 1477 次查看【作者(必填)】 [*]Dmitry Arkhangelsky [*]Susan Athey [*]David A. Hirshberg [*]Guido W. Imbens [*]Stefan Wager 【文题(必填)】 Synthetic Difference-in-Differences【年份(必填)】 2021 【全文链接 ...2021-12-8 14:55 - Superficial000 - 求助成功区

Wavelet estimation in nonparametric model under martingale difference errors
1 个回复 - 649 次查看【作者(必填)】 [*]Liang Hanying [*]Zhang Dongxia [*]Lu Baoxian 【文题(必填)】 Wavelet estimation in nonparametric model under martingale difference errors【年份(必填)】 2004 【全文链接或数 ...2019-3-24 00:16 - leosong - 求助成功区

White, brown, green chicken eggs: What's the difference?
0 个回复 - 2241 次查看原文标题： White, brown, green chicken eggs: What's the difference?白皮、褐皮、绿皮鸡蛋有什么区别？每日英语：1 have a bee in your bonnetthink or talk about sth all the time and believe that it is ...2022-4-24 06:10 - 杨明凡 - 外语学习

用stata作方差分析多组比较时，如何才能显示mean difference的标准误或标准差
1 个回复 - 2883 次查看求问各位大神用stata作方差分析多组比较时，如何才能显示mean difference的标准误或标准差。我尝试了oneway，不能显示SE，又尝试了pwmean和pwcompare，不能和if或者in合并，因为我需要选择某一个组，然后在这个组内再 ...2018-3-13 15:17 - amandashy - Stata专版

The Finite-Difference Time-Domain Method For Electromagnetics with MATLAB Simula
9 个回复 - 2753 次查看 The Finite-Difference Time-Domain Method For Electromagnetics with MATLAB Simulations (2nd Edition) Atef Z. Elsherbeni, Veysel Demir 2016 | ISBN-10: 1613531753 | 576 pages | PDF | 39 MB ...2016-9-10 14:54 - igs816 - MATLAB等数学软件专版

2013新书：Derivative Securities and Difference Methods, 2nd edition
132 个回复 - 21443 次查看 Derivative Securities and Difference Methods Series: Springer Finance ...2013-10-4 22:00 - rmatrix - 金融工程（数量金融）与金融衍生品

PSM匹配前的差异Difference小于匹配后的差异
1 个回复 - 788 次查看 PSM匹配前Unmatched的差异Difference小于匹配后ATT 的差异是怎么回事，t值说明两组都有显著差异，难道不应该匹配后ATT的差异会减小吗2022-1-19 18:20 - 七七ML - Stata专版

求助文献Job quality differences among younger and older workers in Europe: The r
1 个回复 - 420 次查看【作者(必填)】José M.Arranz, et al. 【文题(必填)】Job quality differences among younger and older workers in Europe: The role of institutions 【年份(必填)】Social Science Research, Volume 84, N ...2022-1-18 15:06 - hxlove - 求助成功区

123 Pattern Ultimate Guide Makes The Difference Between Amateur Vs Pro
1 个回复 - 582 次查看 123 Pattern Ultimate Guide Makes The Difference Between Amateur Vs Pro English | 2021 | ASIN: B09HC21FLH | 45 pages | MOBI | 2.99 MB[/backcolor] [hr]123 Pattern Ultimate Guide Makes The Differ ...2021-10-21 06:43 - zhangke0987 - 投资人（实务版）

Ideological dimensions and vote choice: Age group differences in Austria
3 个回复 - 652 次查看【作者(必填)】【文题(必填)】 Ideological dimensions and vote choice: Age group differences in Austria 【年份(必填)】【全文链接或数据库名称(选填)】 https://www.sciencedirect.com/science/arti ...2021-9-9 07:56 - 江夏雁 - 求助成功区

求助：问个统计学名词（standardised mean difference (Cohen d)）！
1 个回复 - 11835 次查看在看文献时，看到这个名词standardised mean difference (Cohen d)，请问这个是怎么求的。比如再用spss做两独立样本t检验时，有个Mean Difference，是不是对它进行标准化呢，那么怎么标准化，请人指教。2009-7-15 15:13 - kutuomonk - SPSS论坛

[下载]Renewables make the difference
1 个回复 - 1764 次查看 2009-3-22 01:15 - tyn - 环境经济学

The Diffusion of Differences: A Review and Reorientation of 20 Years of Diffusio
5 个回复 - 668 次查看【作者(必填)】Naumovska, Ivana; Gaba, Vibha; Greve, Henrich 【文题(必填)】The Diffusion of Differences: A Review and Reorientation of 20 Years of Diffusion Research 【年份(必填)】2021 【全文链 ...2021-5-20 16:45 - 匿名 - 求助成功区

Detecting Structural Differences in Tail Dependence of Financial Time Series
2 个回复 - 374 次查看【作者(必填)】 23 【文题(必填)】 Detecting Structural Differences in Tail Dependence of Financial Time Series 【年份(必填)】 2323 【全文链接或数据库名称(选填)】https://amstat.tandfonline.com/doi ...2020-10-24 17:29 - internet.hzx - 求助成功区

双重差分模型幻灯片+-+difference+in+differences+models
8 个回复 - 6341 次查看（依然免费）双重差分模型幻灯片+-+difference+in+differences+models2014-1-9 16:00 - 赛lu涛 - MATLAB等数学软件专版

Explanations for cultural differences in thinking
1 个回复 - 624 次查看 Explanations for cultural differences in thinking: Easterners' dialectical thinking and Westerners' linear thinking H Yama, N Zakaria - Journal of Cognitive Psychology, 2019 - Taylor & Francis2021-4-22 22:34 - aronson - 求助成功区

求助！stata主成分分析结果“difference”怎么解读
3 个回复 - 4205 次查看请问，如下图中的第二列的“difference”怎么解读？谢谢各位大神。2017-2-11 19:14 - liuyubo006 - Stata专版

spot the differences
0 个回复 - 862 次查看 spot the differences2021-4-9 09:16 - huangtsingde - 外语学习

“He made a great difference” 是 “他不一样了” 吗？
1 个回复 - 1912 次查看 He made a great difference. 这个句子按照字面翻译为 “他做出了很大的不同”这句话怎么理解，到底对不对呢？本句的关键在于如何理解 difference的含义是“他”本人不同了吗?make有“做(成)、造成”等含义,ma ...2021-3-20 17:00 - 杨明凡 - 外语学习

文献里关于“per 1-SD difference”的2个问题！
1 个回复 - 2849 次查看文献中“Statistical analysis”中写到：Palmitoleate concentrations were evaluated in sex-specific quintiles as indicator variables andcontinuously per 1-SD difference. 上图注释部分写到Values are ...2016-5-25 15:47 - 蓝色和白色5 - SPSS论坛

Marital Status, Gender, and Differences in Social Security Benefit Amounts
1 个回复 - 442 次查看【作者(必填)】 Wolfelt, Jamie, (California Baptist University), Dissertations & Theses. 【文题(必填)】Marital Status, Gender, and Differences in Social Security Benefit Amounts 【年份(必填)】2019 ...2021-3-4 16:55 - 毒谷123 - 求助成功区

【资料分享】Pricing Financial Instruments The Finite Difference Method
13 个回复 - 3064 次查看在某宝上花银子买的，跟大家共享。看到之前也有人在版上求助的。2017-3-19 20:56 - cqrcb - 金融工程（数量金融）与金融衍生品

stata做PSM，如何得到匹配前后自变量的Standardized Mean Difference？
7 个回复 - 10596 次查看用psmatch2做propensity score matching，然后用pstest做平衡性检验。请问，如何能够得到匹配前后各自变量Standardized Mean Difference？希望熟悉PSM的大神能够指点迷津！2015-5-6 22:51 - 叶子的逍遥时光 - Stata专版

关于近邻匹配的疑问（simple distance difference）
0 个回复 - 861 次查看大家好，请教一下关于simple distance difference的近邻匹配的问题。参考文献是根据同一行业、以及处理组和控制组之间平均市值和平均交易量的最小绝对值差异的和，来进行匹配。查看了各种使用stata关于匹配的方法 ...2021-1-14 22:14 - boommmi903 - Stata专版

spss中如何计算minimally clinically important differences
0 个回复 - 764 次查看请问，在SPSS中如何计算 minimally clinically important differences。多谢！2021-1-7 23:07 - Kehong1975 - SPSS论坛

Detecting Structural Differences in Tail Dependence of Financial Time Series
1 个回复 - 382 次查看【作者(必填)】 3 【文题(必填)】 Detecting Structural Differences in Tail Dependence of Financial Time Series 【年份(必填)】 2020 【全文链接或数据库名称(选填)】https://amstat.tandfonline.com/doi/ ...2021-1-7 02:25 - internet.hzx - 求助成功区

哪位能够帮忙解释下Difference-in-Differences这个方法
14 个回复 - 21155 次查看期末论文，老师让我们用Difference-in-Differences 方法写一篇论文之前从未接触过这种方法，在网上搜索了相关的论文，也很少，英文文献也不大多，找到了几篇，也只是里面运用了这个方法，介绍的部分很少，所以看起 ...2009-11-20 14:39 - 寄托一代 - 计量经济学与统计软件

IFRS and US GAAP: similarities and differences — 2016 edition
8 个回复 - 2139 次查看 This PwC publication provides a broad understanding of the major differences between IFRS and US GAAP, as well as insight into the level of change on the horizon. To be successful in the US ...2016-11-25 17:24 - bxjjxly@126.com - 会计与财务管理

Spatiotemporal modelling using integro‐difference
1 个回复 - 336 次查看【作者(必填)】 23 【文题(必填)】 Spatiotemporal modelling using integro‐difference equations with bivariate stable kernels【年份(必填)】 23 【全文链接或数据库名称(选填)】https://rss.onlinelibrar ...2020-12-6 13:38 - internet.hzx - 求助成功区

Detecting Structural Differences in Tail Dependence of Financial Time Series
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