结果:找到“var if”相关内容211个,排序为按回复时间降序,搜索更多相关帖子请点击“高级
调查问卷结果赋值stata命令,中文版,专为中国人而写,可节省大量时间
0 个回复 - 4338 次查看 //命令格式:fuzhi varlist ,sort(1或2,表示正反赋值) g(新变量前缀名) n(ABCD选项个数)需要的亲们请购买最近更新后的文件: 安装方法:将文件解压,然后将其中的“赋值.ado”这一个文件,拷贝到c:\ado\personal ...2019-4-10 08:54 - caozhaowen - 现金交易版
Machine Learning in Non-Stationary Environments: Introduction to Covariate Shift
6 个回复 - 3876 次查看 Machine Learning in Non-Stationary Environments: Introduction to Covariate Shift Adaptation2013-10-10 14:24 - tigerwolf - 数据分析与数据挖掘
Difference-in-differences with variation in treatment timing
1 个回复 - 589 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
The identification of stages in diachronic data: variability-based neighbour cl
10 个回复 - 1144 次查看 【作者(必填)】Stefan Th. Gries Martin Hilpert 【文题(必填)】 The identification of stages in diachronic data: variability-based neighbour clustering 【年份(必填)】 【全文链接或数据库名称(选填 ...2021-1-8 08:39 - 江夏雁 - 求助成功区
The Mixture Approach for Simulating Bivariate Distributions With Specified Corre
1 个回复 - 760 次查看 【作者(必填)】 23 【文题(必填)】 The Mixture Approach for Simulating Bivariate Distributions With Specified Corre 【年份(必填)】 23 【全文链接或数据库名称(选填)】https://wwwtandfonline.53yu.com/ ...2022-3-21 15:14 - internet.hzx - 求助成功区
Model Specification in Instrumental-Variables Regression
1 个回复 - 449 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
Volatility specifications versus probability distributions in VaR forecasting
1 个回复 - 424 次查看 【作者(必填)】 2323 【文题(必填)】 Volatility specifications versus probability distributions in VaR forecasting 【年份(必填)】 2323 【全文链接或数据库名称(选填)】https://onlinelibrary.wiley ...2021-8-23 06:41 - internet.hzx - 求助成功区
Multivariate Data Analysis in the Natural and Life Sciences
0 个回复 - 560 次查看 Multivariate Data Analysis in the Natural and Life Sciences 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Part I Preliminaries 2 Data . . . . ...2021-7-25 16:48 - lbb220 - SAS专版
Stochastic Model Specification Search for Time-Varying Parameter VARs
1 个回复 - 435 次查看 【作者(必填)】 23 【文题(必填)】 Stochastic Model Specification Search for Time-Varying Parameter VARs[/backcolor] 【年份(必填)】 23 【全文链接或数据库名称(选填)】https://www.tandfonline.com/doi ...2021-6-17 02:54 - internet.hzx - 求助成功区
[Lectue Notes]Measurement Invariance and Differential Item Functioning in IRT/IF
3 个回复 - 1349 次查看 Measurement Invariance and Differential Item Functioning in IRT/IFA Lesa Hoffman **** 本内容被作者隐藏 ****2016-5-29 03:29 - Nicolle - winbugs及其他软件专版
Tariff games: Cooperation with random variation in political regimes
2 个回复 - 635 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
stata 命令reghdfe:Can't specify cluster without clustervars (and viceversa)
2 个回复 - 1921 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
求助 做面板回归的时候出现r(103)too many variables specified
3 个回复 - 13045 次查看 输入程序如下: xtset fid10 year xtreg savingrate1 age age2 dis i.year i.fid10 就会提示错误r(103) too many variables specified; 如果是 xtset fid10 year xtreg savingrate1 age age2 dis i.year i ...2016-3-21 15:04 - Stella28 - Stata专版
stata用psmatch2命令执行失败,出现 specify a varlist or propensity score的反馈
15 个回复 - 9517 次查看 代码: psmatch2 treated2016 $xlist, outcome(lndeposit) logit kernel ties common odds psmatch2代码应该是没有问题的,之前也一直在执行,刚刚在执行其它命令之后,回过头来再执行psmatch2的命令就出现这个 ...2021-8-30 23:30 - 小二搞科研 - Stata专版
求救大神stata运行事件研究法出现variable date does not uniquely identify observat
2 个回复 - 1802 次查看 do文件 eventstudy2 stockid date using security_returns, ret(sreturn) evwlb(-10) evwub(10) /// model(FM) marketfile(marketfile) mar(mreturn) car1LB(-10) car1UB(10) /// car2LB(-3) car2UB(3) /// car3 ...2022-7-28 17:34 - 斌1314 - 新手入门区
timevar (year) may not contain missing values when option full is specified
10 个回复 - 5799 次查看 timevar (year) may not contain missing values when option full is specified 显示这个是什么意思?2018-9-10 21:39 - 政治珂代表 - Stata专版
stata中bdiff程序运行提示varlist required问题
6 个回复 - 6353 次查看 在stata14中安装bdiff程序后,按照程序提供的数据和解释,比如运行 bdiff, group(union) model(reg wage $xx) surtest,则提示varlist required,请问各位大神应该如何调整?2017-6-20 16:05 - given7132 - Stata专版
stata中bdiff程序运行提示varlist required问题
21 个回复 - 30776 次查看 在stata14中安装bdiff程序后,按照程序提供的数据和解释,比如运行 bdiff, group(union) model(reg wage $xx) surtest,则提示varlist required,请问各位大神应该如何调整?2017-6-20 16:11 - given7132 - Stata专版
关于merge,merge1:1时出现variables stk year do not uniquely identify observation
10 个回复 - 14286 次查看 求助merge,merge1:1,1:m时出现variables stk year do not uniquely identify observation,所以用了m:1,但是结果不对,为什么using里一个stk只有一个年份有数据,合并后一个stk里所有年份都变成有数据了? 比如, ...2017-8-21 10:08 - xdddian - Stata专版
stata中vif检验为什么显示的varlist not allowed,是神马意思求教~~新手表嘲笑~~
3 个回复 - 6771 次查看 stata中vif检验为什么显示的varlist not allowed,是神马意思求教~~新手表嘲笑~~2015-3-25 22:49 - 盼盼刀刀 - Stata专版
must specify panelvar; use xtset的可能解决方法
2 个回复 - 18085 次查看 有可能是个体与时间变量输入有误,先要xtset 个体与时间变量。比如个体是id,时间是year 则输入xtset id year 然后运行 如果之后依然出错 则需要继续判断 论坛内帖子https://bbs.pinggu.org/thread-249258-1 ...2022-4-13 14:36 - Corvo科尔沃 - 爱问频道
请问各位,做SVAR估计系数时有时显示over-identification,但其他所有方面都很理想,这
2 个回复 - 1704 次查看 请问各位,做SVAR估计系数时有时显示over-identification,但其他所有方面都很理想,这样可以吧。而且还发现SVAR很少有just-identification的时候?多谢帮忙!2012-11-7 17:23 - mushui208648 - EViews专版
求助 生成新变量时提示 too many variables specified
11 个回复 - 52842 次查看 RT.....因为本来的数据库就很庞大,所以可能式子很长。。。。如何解决。。。2011-2-22 19:29 - 冬日娃娃 - Stata专版
stata在编写自带命令时报错 too few variables specified
0 个回复 - 3285 次查看 拥有数据如下,变量分别代表证券代码、年份、人口数量、收入数量 * Example generated by -dataex-. To install: ssc install dataex clear input str12 Stkcd float year long S0101a double Numdiv "000001" ...2022-4-5 21:41 - bax485991 - Stata专版
在新建变量时,if后使用&和var1/var5为什么会有区别
0 个回复 - 297 次查看 如题,请问各位老师,if后接&和var1/var5的区别在哪里呢?为什么跑出来的结果实际上是不一样的呢?是因为var1/var5的判断是或呢?程序的图在下面2022-3-26 11:17 - 792806260 - Stata专版
广义倾向得分匹配法用stata运行显示too few variables specified是为什么呢?
5 个回复 - 7811 次查看 代码如下: qui generate cut = 0 if age=60 qui generate cut = 1 if 302020-2-26 11:36 - luzhiyu4 - Stata专版
variable A_A_Stkcd does not uniquely identify observations in the using data
34 个回复 - 93825 次查看 数据合并时遇到variable A_A_Stkcd does not uniquely identify observations in the using data r(459); 有可能是哪些问题,确认了,没有重复,没有空白。2012-9-17 23:35 - suran87 - Stata专版
请大神讲一下diversified VaR公式
0 个回复 - 716 次查看 图里那个1.17那一列具体是怎么算出来的呢?求解2021-10-18 14:10 - yoyolml - CFA、CVA、FRM等金融考证论坛
求大神给讲一下diversified VaR这块的一个公式
0 个回复 - 617 次查看 上面1.17那一列怎么算出来的,具体过程2021-10-18 14:01 - yoyolml - CFA、CVA、FRM等金融考证论坛
stata12.0出现了too many variables specified怎么解决
6 个回复 - 32109 次查看 duplicates drop stock year,force tsset stock year gen dtcsp=D.csp_w gen sqcsp=L.csp_w gen xqcsp=F.csp_w gen dttc=D.tc_w gen dtsize=D.size_w gen dtlev=D.lev_w gen csp_state=csp_w*ownership ge ...2014-10-27 19:43 - 雪姬之舞 - Stata专版
Variance prior specification for a basket trial design using Bayesian hierarchic
1 个回复 - 682 次查看 【作者(必填)】Kristen M Cunanan, Alexia Iasonos, Ronglai Shen, Mithat Gönen 【文题(必填)】Variance prior specification for a basket trial design using Bayesian hierarchical modeling 【年份(必 ...2021-2-18 10:51 - dxystata - 文献求助专区
Vertical Differentiation with Variety-Seeking Consumers
1 个回复 - 547 次查看 【作者(必填)】 Robert Zeithammer[/backcolor] , [/backcolor]Raphael Thomadsen[/backcolor] 【文题(必填)】 Vertical Differentiation with Variety-Seeking Consumers【年份(必填)】 2013 【全文链接或数 ...2020-12-15 16:52 - 下雨就打伞 - 求助成功区
【求助】关于SVAR模型的identification问题
0 个回复 - 802 次查看 大家好,最近写论文需要建立SVAR模型,查找了相关资料还是有一些地方不太明白,烦请大家帮忙解答~ 1. SVAR模型会区分自变量和因变量吗?变量顺序对结果会有影响吗? 2. A0 矩阵和B0矩阵都是怎么确定的呀,有些论文 ...2020-12-13 13:41 - 梁晶菁 - Stata专版
Assessing Partial Association Between Ordinal Variables: Quantification, Visuali
1 个回复 - 348 次查看 【作者(必填)】 3 【文题(必填)】 Assessing Partial Association Between Ordinal Variables: Quantification, Visualization, and Hypothesis Testing2 【年份(必填)】 23 【全文链接或数据库名称(选填)】ht ...2020-10-21 18:02 - internet.hzx - 求助成功区
stata too many variables specified
0 个回复 - 3994 次查看 请哪位大佬帮忙看看问题出在哪呢,结果显示too many variables specified 代码: logit y x1 x2 x3 x4 fs fo hcms x1x3 x1x4 x2x3 x2x4, robust qui sum x1 if e(sample) local meanx1=r(mean) qui sum x2 ...2020-10-4 22:22 - 热爱真理 - Stata专版
Harvard Business Review MAY-JUNE 2017(what great ceos do differently) PDF
112 个回复 - 5241 次查看 2017经济报刊周刊精选 将会每天给你带来全面的财经套餐,感兴趣的请按左边头像下方的“加关注”,并订阅文库。 更新的资讯请订阅【william新闻精选】,里面每天都会有精选的优质的分析报道呈献给大家看。**** 本内容 ...2017-4-26 00:50 - william9225 - 版权审核区(不对外开放)
Variance Reduction for Regenerative Simulations. I. Internal Control and Stratif
6 个回复 - 1414 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
Groups and Geometric Analysis (Integral Geometry, Invariant Differential Operato
1 个回复 - 1553 次查看 This volume, the second of Helgason's impressive three books on Lie groups and the geometry and analysis of symmetric spaces, is an introduction to group-theoretic methods in analysis on spaces with a ...2015-7-22 14:47 - nelsoncwlee - 金融学(理论版)
Variational Analysis and Generalized Differentiation IIApplications
10 个回复 - 1072 次查看 【作者(必填)】Boris S. Mordukhovich 【文题(必填)】Variational Analysis and Generalized Differentiation II Applications 【年份(必填)】2006 【全文链接或数据库名称(选填)】https://link.springer. ...2017-6-1 13:44 - wangt_1997 - 求助成功区
【经典教材系列】An Invitation to Variational Methods in Differential Equations
65 个回复 - 7191 次查看 经典教材降价出售期已过!想要随时跟踪最新好书,请点击头像下方“加关注”。关注成功后,查看这里即可:关注的帖子。 [相关阅读] 【经典教材系列】(资料汇总帖,附链接,持续添加中)2015-4-24 10:56 - wwqqer - 经济金融数学专区
drop if var==xx
10 个回复 - 17913 次查看 其中var可以是字符型的吗? 谢谢!2013-3-18 09:48 - shevaze - Stata专版
[下载]Latent Variable Models and Factor Analysis: A Unified Approach
14 个回复 - 5907 次查看 Description Latent Variable Models and Factor Analysis: A Unified Approach, 3rd Edition David J. Bartholomew, Martin Knott and Irini Moustaki London School of Economics and Political Science ...2013-12-3 05:58 - Nicolle - HLM专版
Non-Uniform Random Variate Generation
5 个回复 - 1343 次查看 【作者(必填)】Luc Devroye 【文题(必填)】Non-Uniform Random Variate Generation 【年份(必填)】1986 【全文链接或数据库名称(选填)】http://link.springer.com/book/10.1007%2F978-1-4613-8643-8 只求 ...2015-5-16 04:50 - violinangel - 求助成功区
Stata 12出现了too many variables specified!
4 个回复 - 15919 次查看 我是按照那本Statistics with stata12教材里面的例子做的,其中一个例子就是说用lfit life school, lwidth(medthick)来作出一条关于预期寿命以及上学时间的回归线,结果一按命令就出现了too many variables specifie ...2015-4-12 12:43 - as931260115 - Stata专版
Difference scheme based on variational principle
2 个回复 - 345 次查看 【作者(必填)】Koon Feng 【文题(必填)】Difference scheme based on variational principle 【年份(必填)】1965 【全文链接或数据库名称(选填)】https://www.researchgate.net/publication/285915698_Differ ...2019-10-9 06:36 - victorbian - 求助成功区
NTERNATIONAL PORTFOLIO DIVERSIFICATION: A MULTIVARIATE ANALYSIS FOR A GROUP OF L
2 个回复 - 815 次查看 【作者(必填)】 [*]Donald R. Lessard Assistant Professo 【文题(必填)】 NTERNATIONAL PORTFOLIO DIVERSIFICATION: A MULTIVARIATE ANALYSIS FOR A GROUP OF LATIN AMERICAN COUNTRIES 【年份(必填)】 【 ...2015-3-4 13:01 - internet.hzx - 求助成功区
Identification of Causal Effects Using Instrumental Variables
4 个回复 - 1292 次查看 【作者(必填)】Joshua D. Angrist, Guido W. Imbens & Donald B. Rubin 【文题(必填)】Identification of Causal Effects[/backcolor] Using Instrumental Variables 【年份(必填)】1996 【全文链接或数据 ...2014-6-20 21:53 - throndon - 求助成功区
Instrumental Variables and the search for Identification-from supply and demand
1 个回复 - 1320 次查看 Instrumental Variables and the search for Identification-from supply and demand to natural experiments2014-9-4 09:12 - yanwenshou - 计量经济学与统计软件
建立var模型,确定模型最优滞数的时候,lag specification可以根据情况填么?
0 个回复 - 1335 次查看 建立var模型,确定模型最优滞数的时候,eviews默认lag specification为8。但是输入3,最优滞数是3;输入>3,最优滞数都是0,无法建立模型了。那可以就lag specification输入3,选择最优滞数为3建立模型么? 那之后 ...2019-4-4 13:02 - 冲鸭冲鸭冲鸭 - EViews专版
xtset 出现too many variables specified
2 个回复 - 9929 次查看 做政策评估的文章,需要比较政策实施前后对某个变量的影响,但是由于是对盈余管理回归,而盈余管理是分年度分行业回归的,所以在面板数据做xtreg回归时,想要控制行业(industry),年份(year)和公司个体层面特征( ...2018-10-7 08:59 - 你琛爷 - Stata专版
ERROR in VARIABLE command TYPE=TWOLEVEL requires specification for the CLUSTER
0 个回复 - 1829 次查看 mplus 已经定义了cluster,依旧显示错误,为什么呢? data:file is C:\Users\Administrator\Desktop\新建文件夹\调节 个体1.dat; VARIABLE: NAMES ARE Num A AA B BA C D DD cluster; USEVARIABLES ARE A AA B ...2018-11-7 18:57 - yst_ing - HLM专版
Standard difference in univariate and multivariate analysis
2 个回复 - 711 次查看 【作者(必填)】Flury, B.K. 【文题(必填)】Standard difference in univariate and multivariate analysis 【年份(必填)】1866 【全文链接或数据库名称(选填)】The Americian Statistician2018-11-4 15:05 - andy162639 - 求助成功区
Multivariable Mathematics: Linear Algebra, Multivariable Calculus, and Manifolds
5 个回复 - 2550 次查看 Multivariable Mathematics: Linear Algebra, Multivariable Calculus, and ManifoldsShifrin 的,我找了半天谷歌百度都没有,哪位大大有?能不能贡献一下?谢谢2015-1-18 12:42 - changpengccp92 - 悬赏大厅
Varney’s Midwifery 6th 部分试看 80页试看
1 个回复 - 501 次查看 2018-9-6 00:51 - scout但但 - 经管书评
A new time-varying optimal copula model identifying the dependence across market
1 个回复 - 850 次查看 【作者(必填)】 2 【文题(必填)】 A new time-varying optimal copula model identifying the dependence across markets【年份(必填)】 2 【全文链接或数据库名2称(选填)】https://www.tandfonline.com/doi/ab ...2018-8-21 18:43 - internet.hzx - 求助成功区
Variety Is the Spice of Life
1 个回复 - 455 次查看 【作者(必填)】 Thomas J. Bren[/backcolor]Andrew W. Lo[/backcolor] Ruixun Zhang[/backcolor] 【文题(必填)】 Variety Is the Spice of Life: Irrational Behavior as Adaptation to Stochastic Environmen ...2018-8-17 22:40 - leosong - 求助成功区
Stochastic Model Specification Search for Time-Varying Parameter VARs
1 个回复 - 523 次查看 【作者(必填)】Eric Eisenstat, Joshua C. C. Chan & Rodney W. Strachan (2016) 【文题(必填)】Stochastic Model Specification Search for Time-Varying Parameter VARs 【年份(必填)】2016 【全文链接或 ...2018-4-18 09:14 - limingmingli - 求助成功区
Estimation of Multivariate Models for Time Series of Possibly Different Lengths
1 个回复 - 473 次查看 【作者(必填)】 AJ Patton 【文题(必填)】 Estimation of Multivariate Models for Time Series of Possibly Different Lengths 【年份(必填)】 2006 【全文链接或数据库名称(选填)】http://xueshu.baidu.com/ ...2018-4-11 18:35 - internet.hzx - 求助成功区
环境核算 The identification and measurement of environmental process variable
0 个回复 - 428 次查看 TJ_10_1963_002 环境核算 Dave,r.h. The identification and measurement of environmental process variables that are related to educational achievement Unpublished ph.d dissertation,university of chic ...2018-4-10 09:40 - 吴淑丽 - 经济统计专版
环境核算 The identification and measurement of environmental process variable
0 个回复 - 323 次查看 TJ_10_1963_001 环境核算 Wolf,r.m. The identification and measurement of environmental process variables related to intelligence Unpublished ph.d.dissertation,university of chicago2018-4-10 09:34 - 吴淑丽 - 经济统计专版
A new time-varying optimal copula model identifying the dependence across market
1 个回复 - 658 次查看 【作者(必填)】 d 【文题(必填)】 A new time-varying optimal copula model identifying the dependence across markets【年份(必填)】 2016 【全文链接或数据库名称(选填)】https://www.tandfonline.com/doi/ ...2018-4-4 03:06 - internet.hzx - 求助成功区
0Multivariable Mathematics With Maple- Linear Algebra, Vector Calculus And Diffe
2 个回复 - 1496 次查看 Multivariable Mathematics With Maple- Linear Algebra, Vector Calculus And Differential-Prentice-Hall (1997)2015-1-18 21:14 - wanchunyang1992 - 经管书评
CUSUM Charts For Signalling Varying Location Shifts
5 个回复 - 1240 次查看 【作者(必填)】by Ross S. Sparks, CSIRO 【文题(必填)】 CUSUM Charts For Signalling Varying Location Shifts 【年份(必填)】 April 2000 Volume 32 Number 2 【全文链接或数据库名称(选填)】http:/ ...2013-3-13 13:40 - lizhen李振 - 求助成功区
An improved shift-invariant artificial neural network for computerized dete..
0 个回复 - 254 次查看 摘要:Abstract A shift-invariant artificial neutral network (SIANN) has been applied to eliminate the false-positive detections reported by a rule-based computer...http://www.ncbi.nlm.nih.gov/pubmed/8 ...2018-1-28 13:30 - DL-er - 人工智能论文版
eviews做var显示 illegal lag specification
1 个回复 - 4828 次查看 eviews做var 一开始显示insufficient number of observation ,改变滞后阶数就 illegal lag specification,怎么才能正确运行呢2016-3-31 09:33 - SHINeeLU - 新手入门区
Analysis of the clinical variables driving decision in an artificial neural..
0 个回复 - 423 次查看 摘要:To determine which clinical variables drive the output of an artificial neural network trained to identify the presence of myocardial infarction.Partial ou...原文链接:http://europepmc.org/abstra ...2018-1-19 01:29 - AIworld - 人工智能论文版
Quantifying complex patterns of bioacoustic variation: use of a neural netw..
0 个回复 - 492 次查看 摘要:A quantitative measure of acoustic similarity is crucial to any study comparing vocalizations of different species, social groups, or individuals. The goal...原文链接:http://icesjms.oxfordjourna ...2018-1-18 19:00 - DL-er - 人工智能论文版
Comparative study of artificial neural network and multivariate methods to ..
0 个回复 - 435 次查看 摘要:Classical multivariate analysis techniques such as factor analysis and stepwise linear discriminant analysis and artificial neural networks method (ANN) ha...原文链接:http://www.sciencedirect.co ...2017-12-31 10:00 - 人工智能-AI - 人工智能论文版
An improved shift‐invariant artificial neural network for computerized det..
0 个回复 - 478 次查看 摘要:Abstract A shift-invariant artificial neutral network (SIANN) has been applied to eliminate the false-positive detections reported by a rule-based computer...原文链接:http://scitation.aip.org/co ...2017-12-30 22:29 - 人工智能-AI - 人工智能论文版
Analysis and Identification of Time-Invariant Systems, Time-Varying Systems, and
10 个回复 - 1184 次查看 2016 | ISBN-10: 3319266829 | 426 pages | PDF | 9 MB This book introduces a new set of orthogonal hybrid functions (HF) which approximates time functions in a piecewise linear manner which is ...2017-11-12 23:25 - igs816 - MATLAB等数学软件专版
Input variable selection for water resources systems using a modified minimum
1 个回复 - 536 次查看 【作者(必填)】Mohamad I.Hejazi Ximing 【文题(必填)】Input variable selection for water resources systems using a modified minimum redundancy maximum relevance (mMRMR) algorithm 【年份(必填)】200 ...2017-11-20 16:48 - lxxwgdxg - 求助成功区
A Production Model With Firm-Specific Temporal Variation in Technical Inefficien
1 个回复 - 544 次查看 【作者(必填)】Cuesta 【文题(必填)】 A Production Model With Firm-Specific Temporal Variation in Technical Inefficiency: With Application to Spanish Dairy Farms 【年份(必填)】2000 【全文链接或数 ...2017-11-20 10:11 - magicsun - 求助成功区
Modern Multivariate Statistical Techniques: Regression, Classification...
19 个回复 - 6913 次查看 Modern Multivariate Statistical TechniquesRegression, Classification, and Manifold Learning http://astro.ocis.temple.edu/~alan/MMST/ Series: Springer Texts in Statistics Izenman, Alan J. ...2011-4-20 21:50 - wzpinggu - R语言论坛
Local variety and firm diversification: an evolutionary economic geography
2 个回复 - 729 次查看 【作者(必填)】Giulio Cainelli Donato Iacobucci 【文题(必填)】Local variety and firm diversification: an evolutionary economic geography perspective 【年份(必填)】2016 【全文链接或数据库名称 ...2017-7-13 16:19 - littlefox18 - 求助成功区
A new time-varying optimal copula model identifying the dependence across market
1 个回复 - 456 次查看 【作者(必填)】 BY Liu, Q Ji, Y Fan 【文题(必填)】 A new time-varying optimal copula model identifying the dependence across markets【年份(必填)】 2017 【全文链接或数据库名称(选填)】http://www.tan ...2017-8-25 09:10 - internet.hzx - 求助成功区
The Analytics of SVARs: A Unified Framework to Measure Fiscal Multipliers
1 个回复 - 653 次查看 【作者(必填)】 Dario Caldara Christophe Kamps 【文题(必填)】 The Analytics of SVARs: A Unified Framework to Measure Fiscal Multipliers【年份(必填)】 2017 【全文链接或数据库名称(选填)】The Review ...2017-8-19 16:08 - jackylee2010 - 求助成功区
A new time-varying optimal copula model identifying the dependence across market
1 个回复 - 1536 次查看 《A new time-varying optimal copula model identifying the dependence across markets》 此片论文发表在2017年Quantitative Finance上。 作者采用一种时变最佳Copula模型(time-varying optimal copula model) ...2017-6-7 07:02 - DuShu16 - 金融学(理论版)
Demystifying variance in performance: A longitudinal multilevel perspective
1 个回复 - 633 次查看 【作者(必填)】 【文题(必填)】 Demystifying variance in performance: A longitudinal multilevel perspective 【年份(必填)】 2017 【全文链接或数据库名称(选填)】http://onlinelibrary.wiley.com/do ...2017-4-27 09:40 - yanhaiweilong - 求助成功区
【20币求助】Identification of suitable copulas for bivariate
1 个回复 - 783 次查看 【作者(必填)】Hemant Chowdhary, Luis A. Escobar, Vijay P. Singh 【文题(必填)】Identification of suitable copulas for bivariate frequency analysis of flood peak and flood volume data 【年份(必填)】 ...2017-3-16 19:37 - xiaoleige1 - 求助成功区
Mean difference vs. variability reduction: tradeoffs in aggregate measures for i
0 个回复 - 624 次查看 【作者(必填)】Hauck WW1, Chen ML, Hyslop T, Patnaik R, Schuirmann D, Williams R. 【文题(必填)】Mean difference vs. variability reduction: tradeoffs in aggregate measures for i 【年份(必填)】1996 ...2017-3-9 15:28 - ihc7788c - 文献求助专区