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结果：找到“drop in”相关内容93个，排序为按回复时间降序，搜索更多相关帖子请点击“高级”

上市公司资本结构总资产借款长期负债利润所得税流动比率净资产收益率每股收益资本支出
4 个回复 - 829 次查看上市公司资本结构总资产借款长期负债利润所得税流动比率净资产收益率每股收益资本支出上市公司资本结构1990-2021：总资产借款长期负债利润所得税流动比率净资产收益率每股收益资本支出含原始与处理结果数据exc ...2022-6-1 22:15 - zxzxzx90081 - 现金交易版

【更新至2020】1990-2020年中国上市公司数据（最全！数据+代码）
835 个回复 - 167903 次查看更新至2020年！感谢大家的支持，2020年数据已经更新（1990-2020中国上市公司数据），数据第四版更新时间为2021年10月13日，本数据版本为2020年第四版，后期还会继续更新！老用户可在本贴评论中留下邮箱，审核后就可以 ...2020-8-4 10:37 - zhaozimeng - 现金交易版

dropped singleton observations有什么影响？
35 个回复 - 55056 次查看请问在使用reghdfe进行分析的时候，总是会出现“dropped *** singleton observations”，这个对结果有什么影响吗？另外我用areg命令对相同的数据进行分析，没有出现“dropped *** singleton observations”，结果 ...2019-6-1 04:38 - nqlwzzl - Stata专版

Section Design of a Hydroponic Cultivation Vessel Using Topology Optimization
5 个回复 - 401 次查看【作者(必填)】Hyeon Jun Jung 【文题(必填)】Section Design of a Hydroponic Cultivation Vessel Using Topology Optimization 【年份(必填)】2020 【全文链接或数据库名称(选填)】2022-6-6 06:09 - victorbian - 求助成功区

水利水电 Finn R. Førsund HYDROPOWER ECONOMICS
3 个回复 - 1160 次查看来自挪威的一本。网上比较稀有。2018-3-28 06:34 - yyiilluuoo - 能源经济学

Modeling and Predicting the Electricity Production in Hydropower Using Conjuncti
1 个回复 - 444 次查看【作者(必填)】 Author links open overlay panelMehdiZolfagharia[/backcolor]Mohammad RezaGolabib[/backcolor] 【文题(必填)】 Modeling and Predicting the Electricity Production in Hydropower Using Conj ...2021-2-14 21:54 - duoduoduo - 文献求助专区

Drop/impact simulation and test validation in Motorola
3 个回复 - 542 次查看【作者(必填)】【文题(必填)】Drop/impact simulation and test validation in Motorola 【年份(必填)】1998 【全文链接或数据库名称(选填)】https://bbs.pinggu.org/forum.php?mod=post&action=newthread&f ...2020-7-19 21:29 - victorbian - 求助成功区

Design for standard impact pulses of drop tester using dynamic simulation
3 个回复 - 628 次查看【作者(必填)】【文题(必填)】Design for standard impact pulses of drop tester using dynamic simulation 【年份(必填)】2004 【全文链接或数据库名称(选填)】https://ieeexplore.ieee.org/abstract/docu ...2020-7-18 23:32 - victorbian - 求助成功区

Parametric Study on the Drop-Impact Behaviour of Mini Hi-Fi Audio Products
1 个回复 - 12493 次查看【作者(必填)】K.H.Low1K.L.Lim2K.H.Hoon1AiqiangYang1Judy K.T.Lim2 【文题(必填)】Parametric Study on the Drop-Impact Behaviour of Mini Hi-Fi Audio Products 【年份(必填)】2001 【全文链接或数据库名 ...2020-7-19 00:04 - victorbian - 求助成功区

Finite element analysis of the drop test for plastics using tensile properties a
1 个回复 - 279 次查看【作者(必填)】【文题(必填)】Finite element analysis of the drop test for plastics using tensile properties at high strain rates 【年份(必填)】2007 【全文链接或数据库名称(选填)】https://www.res ...2020-7-13 23:52 - victorbian - 求助成功区

Deformation of Display for Handheld Devices During Drop Impact
1 个回复 - 286 次查看【作者(必填)】Charandeep Singh; Satish Chaparala; Chunfeng Zhou; Bin Zhang; S. B. Park 【文题(必填)】Deformation of Display for Handheld Devices During Drop Impact 【年份(必填)】2016 【全文链接 ...2020-7-13 23:55 - victorbian - 求助成功区

A virtual boundary model for a quick drop-impact analysis of PCB in electronic p
1 个回复 - 338 次查看【作者(必填)】K.H. Low 【文题(必填)】A virtual boundary model for a quick drop-impact analysis of PCB in electronic products 【年份(必填)】【全文链接或数据库名称(选填)】https://ieeexplore.ieee ...2020-7-13 23:38 - victorbian - 求助成功区

Stata reghdfe命令drop的singleton怎样删去
5 个回复 - 5367 次查看在stata中用reghdfe命令时，请问怎样知道drop掉了哪些singleton observation呢？我在用reghdfe命令做DID时，完整的回归模型就被drop掉了许多singleton observation（指加上了控制变量），使得与不加控制变量的模型的 ...2022-3-23 17:30 - 二位开关记不清了GV噢大V - Stata专版

用reghdfe回归之后drop了一些singletons
20 个回复 - 23395 次查看那使得描述性统计样本量和回归的样本量不一致，该怎么办呢？ 1.在回归表下写清楚drop的原因，以及依据 2.想尽各种办法删除singletons，以使描述性统计和回归样本量保持一致 3.在回归的时候直接保留singletons 要选哪 ...2021-12-7 15:44 - boundlessly - Stata专版

回归结果出现variable dropped because of collinearity的情形
2 个回复 - 4057 次查看请各位大神和朋友可以给与指教。note: regime6 dropped because of collinearity System dynamic panel-data estimation Number of obs = 1,424 Group variable: ifscode ...2017-8-29 10:49 - uuugggsun - Stata专版

ivprobit回归时，stata总是提示：dropping an endogenous variable is not allowed
3 个回复 - 2051 次查看想问问各位大佬们，为什么在做ivprobit回归时，stata总是会提示错误：dropping an endogenous variable is not allowed？代码如下： ivprobit y age age2 a2 a3 a4 a5 minority gdpr yeard2-yeard4 prov1-pro ...2022-8-3 21:09 - mmsfybtc - Stata专版

Constraint 1 dropped 是什么意思？谢谢各位！
4 个回复 - 8390 次查看我用stata分别对两组样本进行了回归分析，然后想检验一下回归系数的差异是否显著，看到的资料说test b1=b2 可以实现，其中，b1是对样本1进行回归得到的系数，b2是对样本2进行回归得到的系数。但是test的结果如下： ...2012-2-15 18:35 - abcjj2012 - Stata专版

做描述性统计分析的时候也要把回归中出现的singleton drop 后再描述么？
7 个回复 - 1707 次查看回归时候会drop singleton，导致回归样本数少于原有样本数，那么在做描述性统计分析的时候，也要把这些singleton drop 后再描述吗？？还是说就以原有样本就可以？？如果是后者的话，会出现描述性 ...2022-5-25 17:20 - 商探探 - Stata专版

数据已经duplicates drop 过了，为什么还会出现错误提示repeated time values within
12 个回复 - 2921 次查看小白一枚，请问各位大佬：我在计算TFP时，已经将重复值duplicates drop 过了，为什么程序还报错repeated time values within panel？以下是我的命令和报错： forvalues i = ...2020-7-12 16:02 - 乐天8156 - Stata专版

求助各路大神 drop in -2/1 这个命令是什么意思？？
4 个回复 - 7331 次查看如题 drop in -2/1 这个命令是什么意思？？删除什么呢？2018-6-12 12:12 - 飞飞飞飞飞er - Stata专版

【学习笔记】Drop the bit about forcing and instead focused on being curi ...
3 个回复 - 632 次查看 Drop the bit about forcing and instead focused on being curious.2020-11-8 08:13 - 雪后 - Forum

Measurement of the Dynamical Contact Angle during a Drop Impact
2 个回复 - 605 次查看【作者(必填)】【文题(必填)】Measurement of the Dynamical Contact Angle during a Drop Impact 【年份(必填)】2004 【全文链接或数据库名称(选填)】https://www.researchgate.net/pub ... uring_a_Drop_I ...2020-7-19 18:17 - victorbian - 文献求助专区

A Review of Finite Element Analysis of Drop Test for Home Appliances
2 个回复 - 613 次查看【作者(必填)】Amol Kamale, Dr. Sanjay R. Bahulikar 【文题(必填)】A Review of Finite Element Analysis of Drop Test for Home Appliances 【年份(必填)】2018 【全文链接或数据库名称(选填)】https://ww ...2020-6-23 23:49 - victorbian - 文献求助专区

Transferring momentum: Novel drop protection concept for mobile devices
1 个回复 - 579 次查看【作者(必填)】【文题(必填)】Transferring momentum: Novel drop protection concept for mobile devices 【年份(必填)】2018 【全文链接或数据库名称(选填)】https://www.sciencedirect.com/sc ... i/S073 ...2020-7-19 18:18 - victorbian - 求助成功区

The examination of the drop impact test method
2 个回复 - 563 次查看【作者(必填)】Qiang Yu; K. Watanabe; T. Tsurusawa; M. Shiratori; M. Kakino; N. Fujiwara 【文题(必填)】The examination of the drop impact test method 【年份(必填)】2004 【全文链接或数据库名称(选 ...2020-7-18 22:26 - victorbian - 求助成功区

Using Analysis to Design for Drop or Other Shock Environments, #264
0 个回复 - 335 次查看【作者(必填)】【文题(必填)】Using Analysis to Design for Drop or Other Shock Environments, #264 【年份(必填)】2000 【全文链接或数据库名称(选填)】https://www.researchgate.net/publication/252995 ...2020-7-13 23:42 - victorbian - 求助成功区

Optimal Shock Pulse in Drop Test Simulation of Standardized Board for Uniform Sh
1 个回复 - 600 次查看【作者(必填)】【文题(必填)】Optimal Shock Pulse in Drop Test Simulation of Standardized Board for Uniform Shock Response 【年份(必填)】2016 【全文链接或数据库名称(选填)】https://www.researchga ...2020-7-13 23:42 - victorbian - 求助成功区

Drop impact reliability of MEMS inertial sensors with membrane suspensions for m
1 个回复 - 319 次查看【作者(必填)】J. W. Kim 【文题(必填)】Drop impact reliability of MEMS inertial sensors with membrane suspensions for mobile phones 【年份(必填)】2012 【全文链接或数据库名称(选填)】https://www.r ...2020-7-11 10:44 - victorbian - 求助成功区

Ultra-Thin Package Board Level Drop Impact Modeling and Validation
1 个回复 - 301 次查看【作者(必填)】Shu-Shen Yeh 【文题(必填)】Ultra-Thin Package Board Level Drop Impact Modeling and Validation 【年份(必填)】2019 【全文链接或数据库名称(选填)】https://www.researchgate.net/publica ...2020-7-9 23:35 - victorbian - 求助成功区

Use of compliant interconnects for drop impact isolation
1 个回复 - 339 次查看【作者(必填)】Wei Chen 【文题(必填)】Use of compliant interconnects for drop impact isolation 【年份(必填)】2013 【全文链接或数据库名称(选填)】https://www.researchgate.net/publication/261284277 ...2020-7-9 23:37 - victorbian - 求助成功区

Drop impact simulation and experimental validation on high power light emitting
1 个回复 - 297 次查看【作者(必填)】Cao Li 【文题(必填)】Drop impact simulation and experimental validation on high power light emitting diodes modules 【年份(必填)】2013 【全文链接或数据库名称(选填)】https://www.re ...2020-7-9 23:38 - victorbian - 求助成功区

Application of Piezoresistive Stress Sensor in Wafer Bumping and Drop Impact Tes
1 个回复 - 410 次查看【作者(必填)】Xiaowu Zhang; Ranjan Rajoo; Cheryl S. Selvanayagam; Aditya Kumar; Vempati Srinivasa Rao 【文题(必填)】Application of Piezoresistive Stress Sensor in Wafer Bumping and Drop Impact Test ...2020-7-9 23:44 - victorbian - 求助成功区

Drop-Testing of Protective Devices
3 个回复 - 513 次查看【作者(必填)】Guenther Apel 【文题(必填)】Drop-Testing of Protective Devices 【年份(必填)】1986 【全文链接或数据库名称(选填)】https://www.researchgate.net/publication/294468341_Drop-Testing_of_ ...2020-2-2 01:02 - victorbian - 求助成功区

Crash Simulation of Vertical Drop Tests of Two Boeing 737 Fuselage Sections
1 个回复 - 327 次查看【作者(必填)】Karen Eubanks Jackson[/backcolor], Edwin L. Fasanella[/backcolor] 【文题(必填)】Crash Simulation of Vertical Drop Tests of Two Boeing 737 Fuselage Sections【年份(必填)】2002【全文链接 ...2020-6-23 23:52 - victorbian - 求助成功区

stata15.1 for mac的中文版，删除变量时提示“drop in 喙o忐”是什么问题？
2 个回复 - 1414 次查看电脑系统是MAC OS Catalina 10.15.5版本使用的数据全部是英文和数字，没有中文显示问题鼠标直接在数据编辑器中操作删除整行变量时提示“drop in 喙o忐”无法删除是什么问题？试了好多重新编码的方法都没有 ...2020-6-22 19:55 - Oreozxa - Stata专版

Finite element modeling of electronic packages subjected to drop impact
1 个回复 - 366 次查看【作者(必填)】V B C Tan 【文题(必填)】Finite element modeling of electronic packages subjected to drop impact 【年份(必填)】【全文链接或数据库名称(选填)】https://www.researchgate.net/pub ... c ...2020-6-20 23:12 - victorbian - 求助成功区

Board level drop test simulation using explicit and implicit solvers
1 个回复 - 390 次查看【作者(必填)】Yiyi Ma 【文题(必填)】Board level drop test simulation using explicit and implicit solvers 【年份(必填)】2015 【全文链接或数据库名称(选填)】https://www.researchgate.net/publicatio ...2020-2-2 01:23 - victorbian - 求助成功区

Drop Test Simulation of Electronic Devices using Finite Element Method
2 个回复 - 386 次查看【作者(必填)】David Cadge 【文题(必填)】Drop Test Simulation of Electronic Devices using Finite Element Method 【年份(必填)】2007 【全文链接或数据库名称(选填)】https://www.researchgate.net/publ ...2020-2-2 01:09 - victorbian - 求助成功区

Mechanical Event Simulation of Drop Testing for Toy Product
3 个回复 - 630 次查看【作者(必填)】Anthony Yee Kai Yam 【文题(必填)】Mechanical Event Simulation of Drop Testing for Toy Product 【年份(必填)】2006 【全文链接或数据库名称(选填)】https://www.researchgate.net/pub ... ...2020-2-2 01:06 - victorbian - 求助成功区

stata中作图，dropline的使用方法
0 个回复 - 1451 次查看 stata中作towway connect图，我想要对x轴添加一根附加线，用xline选项他穿过了图像，但是我又不想让它穿过图像，就选择了dropline选项，咋不行哟2019-11-28 19:29 - forever+ - Stata专版

【学习笔记】191105-US considers dropping some tariffs on China
3 个回复 - 338 次查看 191105-US considers dropping some tariffs on China2019-11-5 23:39 - fangchouzhu - Forum

Drop-impact simulation and experimental verification for spindle fixation of vid
1 个回复 - 390 次查看【作者(必填)】Y.Y. Wang 【文题(必填)】Drop-impact simulation and experimental verification for spindle fixation of video and audio module 【年份(必填)】2003 【全文链接或数据库名称(选填)】https: ...2019-7-30 05:01 - victorbian - 求助成功区

Drop Test Simulation of Electronic Devices using Finite Element Method
2 个回复 - 628 次查看【作者(必填)】David Cadge ABAQUS 2006Inc., Rising Sun Mills, 166 Valley Street, Providence, RI 02909-2499 USA ; HJ. Jason Wang ; Rui Bai ; Ping Gong 【文题(必填)】Drop Test Simulation of Electro ...2019-7-27 22:30 - victorbian - 求助成功区

Advances in the drop-impact reliability of solder joints for mobile applications
1 个回复 - 352 次查看【作者(必填)】E.H. Wong 【文题(必填)】Advances in the drop-impact reliability of solder joints for mobile applications 【年份(必填)】2009 【全文链接或数据库名称(选填)】https://www.researchgate. ...2019-7-27 11:23 - victorbian - 求助成功区

Drop/Impact of Typical Portable Electronic Devices: Experimentation and Modeling
1 个回复 - 410 次查看【作者(必填)】T. X. Yu 【文题(必填)】Drop/Impact of Typical Portable Electronic Devices: Experimentation and Modeling 【年份(必填)】211 【全文链接或数据库名称(选填)】https://www.researchgate.ne ...2019-7-24 06:38 - victorbian - 求助成功区

Correlating Drop Impact Simulations With Drop Impact Testing Using High-Speed Ca
1 个回复 - 354 次查看【作者(必填)】J. J. M. Zaal, W. D. van Driel, F. J. H. G. Kessels and G. Q. Zhang 【文题(必填)】Correlating Drop Impact Simulations With Drop Impact Testing Using High-Speed Camera Measurements 【 ...2019-7-23 23:35 - victorbian - 求助成功区

Initial global-local analysis for drop-impact effect study of TV products
1 个回复 - 369 次查看【作者(必填)】K.H. Low 【文题(必填)】Initial global-local analysis for drop-impact effect study of TV products 【年份(必填)】2004 【全文链接或数据库名称(选填)】https://www.researchgate.net/publ ...2019-7-21 21:33 - victorbian - 求助成功区

Initial study on the drop-impact behavior of mini Hi-Fi audio products
1 个回复 - 501 次查看【作者(必填)】K.H.AiqiangYangaK.H.HoonaXinweiZhangaJudy K.T.LimbK.L.Limb 【文题(必填)】[/backcolor]Initial study on the drop-impact behavior of mini Hi-Fi audio products 【年份(必填)】2001[/backco ...2019-7-21 21:13 - victorbian - 求助成功区

Drop-impact cushioning effect of electronic products formed by plates
1 个回复 - 361 次查看【作者(必填)】K. H Low 【文题(必填)】Drop-impact cushioning effect of electronic products formed by plates 【年份(必填)】2003 【全文链接或数据库名称(选填)】https://www.researchgate.net/publicat ...2019-7-21 21:17 - victorbian - 求助成功区

The Big Drop how to grow your wealth during the coming collapse
0 个回复 - 530 次查看【作者(必填)】Rickards 【文题(必填)】The Big Drop how to grow your wealth during the coming collapse 【年份(必填)】2016 【全文链接或数据库名称(选填)】 [*]ISBN-10: 9900165853 [*]ISBN-13: 978 ...2019-6-5 18:59 - johnzi0128 - 文献求助专区

Drop simulation for portable instruments
1 个回复 - 315 次查看【作者(必填)】Jie Qiu, Qiaofang Zhang, M. H. Wang, Wei Peng 【文题(必填)】Drop simulation for portable instruments 【年份(必填)】2010 【全文链接或数据库名称(选填)】https://www.researchgate.net/ ...2019-3-1 11:41 - victorbian - 求助成功区

BakerMcKenzie-2018.04-Rising Tension Asscessing China's FDI drop in EU n NA
1 个回复 - 938 次查看 BakerMcKenzie-2018.04-Rising Tension Asscessing China's FDI drop in Europe n North America2018-12-7 01:38 - everbright2012 - 行业分析报告

请问为什么drop merge后还是显示variable \_merge already defined
1 个回复 - 2552 次查看如题为什么drop merge后还是显示variable \_merge already defined2018-12-8 01:55 - -wmy- - 爱问频道

Optimizing Mobile Phone Free Fall Drop Test Equipment - Precision, Repeatability
1 个回复 - 553 次查看【作者(必填)】Boris Asadanin 【文题(必填)】Optimizing Mobile Phone Free Fall Drop Test Equipment - Precision, Repeatability, and Time Efficiency 【年份(必填)】2009 【全文链接或数据库名称(选填)】 ...2018-10-6 17:48 - victorbian - 求助成功区

What happened to Turkey lira, drop 10% in one day!!?
2 个回复 - 705 次查看 What happened? How did it happen? What are its impacts? What’s going to happen later?2018-8-14 01:03 - alexlx - 爱问频道

Hysteresis and Capacity Drop Phenomena in Freeway Networks
1 个回复 - 681 次查看【作者(必填)】 Meead Saberi 【文题(必填)】 Hysteresis and Capacity Drop Phenomena in Freeway Networks: Empirical Characterization and Interpretation 【年份(必填)】 2013 【全文链接或数据库名称(选 ...2018-8-6 09:47 - peterxu1969 - 求助成功区

这是啥http://bbs.pinggu.org/ext8_airdrop.php?airdropfromuid=2610343
2 个回复 - 1458 次查看 http://bbs.pinggu.org/ext8_airdrop.php?airdropfromuid=2610343 这是啥？2018-7-10 18:43 - 凯旋の王者 - 投资人（实务版）

Socioeconomic impacts of hydropower development on the Yibin–Chongqing sect
1 个回复 - 450 次查看【作者(必填)】 [*]Jing Ma, [*]Yu Liu, [*]Hao Wang, [*]Deng Hua Yan, [*]Zhaohui Yang 【文题(必填)】 Socioeconomic impacts of hydropower development on the Yibin–Chongqing section, upper r ...2018-1-28 19:40 - laokechai - 求助成功区

Modeling dropouts by conditional distribution, a copula
5 个回复 - 650 次查看【作者(必填)】 Ene Käärik, , Meelis Käärik 【文题(必填)】 Modeling dropouts by conditional distribution, a copula-based approach【年份(必填)】 2009 【全文链接或数据库名称(选填 ...2014-12-13 15:31 - internet.hzx - 求助成功区

Gaussian Kernel Smoothing of Explicit Transient Responses for Drop-Impact Analys
1 个回复 - 407 次查看【作者(必填)】Moon-Shik Park 【文题(必填)】Gaussian Kernel Smoothing of Explicit Transient Responses for Drop-Impact Analysis 【年份(必填)】2011 【全文链接或数据库名称(选填)】https://www.resear ...2019-7-22 19:52 - victorbian - 求助成功区

【商业故事】Drop in first-quarter cinema revenues presages first annual decline
7 个回复 - 1194 次查看 source from:FT https://www.ft.com/content/ef1ba0ec-1ce9-11e7-a454-ab04428977f9 China Business Added Chinese box office takings set to fall in 2017 Drop in first-quarter cinema revenues presag ...2017-4-9 19:22 - william9225 - 真实世界经济学(含财经时事)

Testing for Random Dropouts in Repeated Measurement Data
1 个回复 - 538 次查看【作者(必填)】Peter J. Diggle 【文题(必填)】Testing for Random Dropouts in Repeated Measurement Data 【年份(必填)】1989 【全文链接或数据库名称(选填)】http://www.jstor.org/stable/2531777?seq=1 ...2016-12-4 13:06 - w1w2jack - 求助成功区

Anti-icing properties of a superhydrophobic surface in a salt environment: an un
1 个回复 - 497 次查看【作者(必填)】Ludmila B. Boinovich,*a [/backcolor] [/backcolor]Alexandre M. Emelyanenko,a [/backcolor][/backcolor]Kirill A. Emelyanenkoa and [/backcolor] [/backcolor]Konstantin I. Maslakova [/back ...2016-11-12 09:39 - ozj9325 - 求助成功区

Superhydrophobic Coatings on Electronic Components
0 个回复 - 631 次查看【作者(必填)】Andrew Jones and Dr. Vinod Sikka Ross Nanotechnology, LLC, Leola, Pennsylvania, USA 【文题(必填)】 Superhydrophobic Coatings on Electronic Components 【年份(必填)】2011 【全文链 ...2016-8-19 20:39 - changle_1984 - 文献求助专区

【金融市场】Renminbi drops to sixth in international payment ranking
6 个回复 - 815 次查看 source from:FT July 21, 2016 7:56 am Renminbi drops to sixth in international payment ranking Gabriel Wildau in Shanghai The renminbi slipped in the global league tables for cross-border payme ...2016-7-21 19:38 - william9225 - 真实世界经济学(含财经时事)

Small hydropower financing in China: External environment analyses, financing
2 个回复 - 712 次查看【作者(必填)】· Liu Ximeia, , , , · Zeng Minga, · Han Xua, · Peng Lilina, · Deng JunRongb 【文题(必填)】Small hydropower financing in China: External environme ...2016-5-21 07:24 - brigittaree - 求助成功区

【商业故事】Apple Reports First Quarterly Sales Drop Since 2003
4 个回复 - 1237 次查看苹果财报刚出炉，净利润和营业收入双双下降，但库克却说：“But it doesn’t change the future. The future is very bright.”你又是怎么看这家科技公司的未来呢？ [hr] source from：WSJ TECH Apple Repor ...2016-4-27 08:08 - william9225 - 真实世界经济学(含财经时事)

Visualizing Longitudinal Data With Dropouts
1 个回复 - 559 次查看【作者(必填)】Mithat Gonen 【文题(必填)】Visualizing Longitudinal Data With Dropouts 【年份(必填)】2013 【全文链接或数据库名称(选填)】http://www.tandfonline.com/doi/full/10.1080/00031305.2013.7 ...2016-4-20 10:44 - dliangfranklin - 求助成功区

【商业故事】China’s Anbang Drops Bid for Starwood Hotels
5 个回复 - 1024 次查看 source from:WSJ website BUSINESS China’s Anbang Drops Bid for Starwood Hotels Operator of Sheraton, other hotels seen returning to Marriott’s previous takeover offer By CRAIG KARMIN and DAN ...2016-4-1 20:51 - william9225 - 真实世界经济学(含财经时事)

【金融市场】China shares suffer biggest drop in a month
4 个回复 - 724 次查看 source from:FT website February 25, 2016 9:04 am China shares suffer biggest drop in a month Peter Wells in Hong Kong Chinese shares posted their biggest one-day drop in a month on Thursday, wit ...2016-2-25 18:56 - william9225 - 真实世界经济学(含财经时事)

Student Mobility and the Increased Risk of High School Dropout
2 个回复 - 726 次查看【作者(必填)】Russell W. Rumberger and Katherine A. Larson 【文题(必填)】 Student Mobility and the Increased Risk of High School Dropout 【年份(必填)】1998 【全文链接或数据库名称(选填)】http: ...2016-1-18 10:50 - 阿狸与桃子 - 求助成功区

Exploring different regimes in finite-size scaling of the droplet condensation-e
2 个回复 - 555 次查看【作者(必填)】 Johannes Zierenberg and Wolfhard Janke【文题(必填)】Exploring different regimes in finite-size scaling of the droplet condensation-evaporation transition【年份(必填)】 Phys. Rev. E ...2015-8-2 13:13 - qijiongli - 求助成功区

Bitcoin Value Steadies After Chinese Government Warning Drop And Internet Sector
0 个回复 - 967 次查看 Bitcoin Value Steadies AfterChinese Government Warning Drop And Internet Sector Surges After China SecuritiesRegulatory Commission Suggesting RisksDecember 9, 2013 | Print | Comments | Category: Inte ...2015-3-24 17:17 - yuwenjun720731 - 投资人（实务版）

Bitcoin Value Steadies After Chinese Government Warning Drop And Internet Sector
0 个回复 - 786 次查看 Bitcoin Value Steadies After Chinese Government Warning Drop And Internet Sector Surges After China Securities Regulatory Commission Sugguesting Risks December 9, 2013 | Print | Comments | Category ...2015-3-24 16:56 - yuwenjun720731 - 投资人（实务版）

Should you drop interaction terms if they’re not significant?
1 个回复 - 2159 次查看 In an ANOVA, adding interaction terms still leaves the main effects as main effects. That is, as long as the data are balanced, the main effects and the interactions are independent. The main effect ...2014-4-15 00:26 - ReneeBK - SPSS论坛

广东水电二局股份有限公司 (Guangdong No.2 Hydropower Engineering Company,Ltd.)
0 个回复 - 70 次查看广东水电二局股份有限公司 (Guangdong No.2 Hydropower Engineering Company,Ltd.) 最新财政年：2013 货币：CNY 主营收入：5,397,650,979 利润总额：100,023,201 资产总计：11,095,976,979 主营产品：水利水电、市政 ...2014-11-28 18:46 - CapitalVue - CapitalVue版

用迭代从string 里面drop word
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The Market Backdrop R Robbins - Tactical Trend Trading, 2012 - Springer
1 个回复 - 934 次查看【作者(必填)】【文题(必填)】The Market BackdropR Robbins - Tactical Trend Trading, 2012 - Springer 【年份(必填)】【全文链接或数据库名称(选填)】2014-9-4 08:28 - 金融坦然 - 求助成功区

Behind a Global Drop in Health Care Costs
0 个回复 - 1430 次查看 Behind a Global Drop in Health Care Costs /全球医疗支出降低的原因纽约时报 We tend tothink of health care as a local good. Most people use the doctor or hospital intheir neighborhood. China ...2014-8-23 21:28 - fin-qq - 外语学习

Three-Color Ramsey Numbers of Kn Dropping an Edge
1 个回复 - 780 次查看【作者(必填)】 [*] Changxiang He, [*] Yusheng Li, [*] Lin Dong 【文题(必填)】Three-Color Ramsey Numbers of Kn Dropping an Edge 【年份(必填)】2012 【全文链接或数据库名称(选填)】h ...2014-1-2 01:23 - lzguo99 - 求助成功区

winsor or drop？
6 个回复 - 2993 次查看在有些比率值（如研发密度）变量中，有些记录值往往高得离谱，在这种情况下，是直接将其删除，还是做Winsor处理。处理的比例一般为多少？1%，5%？2013-2-13 08:57 - peyzf - Stata专版

WARNING: 从未引用过 DROP、KEEP 或 RENAME 列表中的变量???
18 个回复 - 17026 次查看问题：我的数据集里明明有一个变量volume，为什么在下列程序运行之后会出现以下的提示？ data a2; set a; keep volume n; run; WARNING: 从未引用过 DROP、KEEP 或 RENAME 列表中的变量 volume。 NOTE: SAS ...2010-9-8 15:01 - addahello - SAS专版

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