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国际航线按国内航司统计往返中国内地日度数据2019-202408总执行总计划航班量总取消率1 个回复 - 181 次查看 国际航线按国内航司统计往返中国内地日度数据2019-202408总执行总计划航班量总取消率 飞常准航班统计 国际航线 按国内航空公司统计 2019年1月1日-2024年8月23日 日度统计数据 数据来源：ceic经济数据库，主要 ...2024-8-24 09:09 - yusb - 现金交易版
全球世界各国地区移动服务移动电话固定线路固定电话用户数量电信密度1960-20220 个回复 - 111 次查看 全球世界各国地区移动服务移动电话固定线路固定电话用户数量电信密度1960-2022 亚洲非洲南北拉丁美洲东盟欧盟APEC欧洲大洋洲等 数据来源：ceic经济数据库，主要来源于世界银行、联合国、各国统计年鉴、农业、工业 ...2024-8-23 11:17 - yusb - 现金交易版
全球世界各国地区天然气价格生产消费1965-2023亚洲非洲南北拉丁美洲东盟欧盟APEC欧洲0 个回复 - 160 次查看 全球世界各国地区天然气价格生产消费1965-2023亚洲非洲南北拉丁美洲东盟欧盟APEC欧洲大洋洲等 数据来源：ceic经济数据库，主要来源于世界银行、联合国、各国统计年鉴、农业、工业行业、纺织行业、房地产业、能源行 ...2024-8-22 20:34 - yusb - 现金交易版
上市公司信息透明度数据TRANS2003-2022应计盈余质量分析师跟踪人数分析师盈余预测准确0 个回复 - 212 次查看 上市公司信息透明度数据TRANS2003-2022应计盈余质量分析师跟踪人数分析师盈余预测准确性 根据盈余质量、信息披露考评指数、分析师盈余预测、审计师角度选取指标的变量样本百分等级的平均值构建一个综合性指标T ...2024-7-24 20:53 - yusb - 现金交易版
operations and supply chain management运营管理罗伯特和蔡司合著 第15版答案ENG0 个回复 - 154 次查看 下图为CH11 客观题预览 1. Amanufacturing company has a small production line dedicated to the productionof a particular product. The line hasfour stations in serial. Inputs arriveat station 1 ...2024-6-13 11:52 - 13149646487 - 现金交易版
美国国家科学基金会（NSF）-2024年科学与工程状况(英)
3 个回复 - 241 次查看 美国国家科学基金会（NSF）-2024年科学与工程状况 The State of U.S. Science and Engineering 20242024-3-18 10:21 - 1jian.fun - 行业分析报告
3 个回复 - 241 次查看 美国国家科学基金会（NSF）-2024年科学与工程状况 The State of U.S. Science and Engineering 20242024-3-18 10:21 - 1jian.fun - 行业分析报告
芬斯特拉国际贸易学（中文版课件）Robert C. Feenstra ，International Trade, PPT3 个回复 - 347 次查看 芬斯特拉国际贸易学（中文版课件脱敏版）Robert C. Feenstra ，International Trade, PPT芬斯特拉《国际贸易》，权威教材课件，中文版（完整版） 第7章.pptx 第8章.ppt 第9章.ppt 第4章.pptx 第6章.pptx ...2024-3-20 06:29 - 2023Hua - 现金交易版
J. David Logan - A First Course in Differential Equations第3版习题答案3 个回复 - 190 次查看 J. David Logan - A First Course in Differential Equations第3版习题答案 A First Course in Differential Equations, Third Edition [3rd Ed] (Instructor Solution Manual, Solutions to Even and Odd Exercise ...2023-12-26 08:11 - 2025TS - 现金交易版
Excel 2021 for Beginners (Formulas, Functions, vba and macros inclusive)
4 个回复 - 560 次查看 论坛币０元下载附件2024-4-30 00:20 - pcstar - Excel
4 个回复 - 560 次查看 论坛币０元下载附件2024-4-30 00:20 - pcstar - Excel
Real Econometrics_ The Right Tools to Answer Important Questions1 个回复 - 129 次查看 Real Econometrics_ The Right Tools to Answer Important Questions (可编辑的pdf电子文档) Textbook:Real Econometrics: The Right Tools to Answer Important Questions 2nd Edition Author(s): Michael A. ...2024-7-11 20:26 - Mama-2022 - 现金交易版
Building Data-Driven Applications with LlamaIndex/LLM大模型应用实战方向1 个回复 - 307 次查看 Building Data-Driven Applications with LlamaIndex/LLM大模型应用实战方向 （英文，可编辑的pdf电子文档） Textbook:Building Data-Driven Applications with LlamaIndex: A practical guide to retrieval-aug ...2024-7-2 10:32 - Rona-2028 - 现金交易版
GTM164-Additive Number Theory The Classical Bases- Melvyn B. Nathanson
102 个回复 - 1546 次查看 Additive Number Theory the Classical Bases 更新图书信息或封面 作者: Nathanson, Melvyn B. 出版社: Springer Verlag 出版年: 1996-6 页数: 358 定价: $ 90.34 装帧: HRD ISBN: 9780387946566 ...2024-7-20 06:24 - wxwpxh - 经济金融数学专区
102 个回复 - 1546 次查看 Additive Number Theory the Classical Bases 更新图书信息或封面 作者: Nathanson, Melvyn B. 出版社: Springer Verlag 出版年: 1996-6 页数: 358 定价: $ 90.34 装帧: HRD ISBN: 9780387946566 ...2024-7-20 06:24 - wxwpxh - 经济金融数学专区
Building LLM Powered Applications/large language models1 个回复 - 309 次查看 Building LLM Powered Applications (构建LLM大模型应用，英文，可编辑的pdf电子档） TextbookBuilding LLM Powered Applications: Create intelligent apps and agents with large language models Author(s): ...2024-7-1 21:56 - Mama-2022 - 现金交易版
基于GPT-3、ChatGPT、GPT-4等 Transformer 架构的自然语言处理
1 个回复 - 299 次查看 大模型最新黑书，《基于GPT-3、ChatGPT、GPT-4等 Transformer 架构的自然语言处理》2024-8-17 09:00 - happytang123 - Forum
1 个回复 - 299 次查看 大模型最新黑书，《基于GPT-3、ChatGPT、GPT-4等 Transformer 架构的自然语言处理》2024-8-17 09:00 - happytang123 - Forum
AOM:Artificial Intelligence, Trust, and Perceptions of Agency
2 个回复 - 347 次查看 【作者(必填)】 Bart S. Vanneste and Phanish Puranam Accepted by Laura Poppo 【文题(必填)】 Artificial Intelligence, Trust, and Perceptions of Agency 【年份(必填)】 Published Online:25 Mar 2024 ...2024-5-30 13:40 - yinhezhiwang - 文献求助专区
2 个回复 - 347 次查看 【作者(必填)】 Bart S. Vanneste and Phanish Puranam Accepted by Laura Poppo 【文题(必填)】 Artificial Intelligence, Trust, and Perceptions of Agency 【年份(必填)】 Published Online:25 Mar 2024 ...2024-5-30 13:40 - yinhezhiwang - 文献求助专区
审计学：一种整合方法,16e,2021,阿伦斯(Arens),李璐、张龙平 译
23 个回复 - 2306 次查看 人大出版社，2021年版2024-2-17 22:29 - gaowq - 会计与财务管理
23 个回复 - 2306 次查看 人大出版社，2021年版2024-2-17 22:29 - gaowq - 会计与财务管理
TensorFlow自然语言处理
4 个回复 - 187 次查看 链接：https://pan.baidu.com/s/1Vw9TT0-Q64vLHk-7F3gImw?pwd=3bmp 提取码：3bmp2024-5-14 22:50 - springsalad - Forum
4 个回复 - 187 次查看 链接：https://pan.baidu.com/s/1Vw9TT0-Q64vLHk-7F3gImw?pwd=3bmp 提取码：3bmp2024-5-14 22:50 - springsalad - Forum
Stocks as a Hedge against Inflation
4 个回复 - 460 次查看 【作者(必填)】Sangkyun Park 【文题(必填)】Stocks as a Hedge against Inflation: Does Corporate Profitability Keep Up with Inflation? 【年份(必填)】2023 【全文链接或数据库名称(选填)】Stocks as a ...2024-7-8 16:55 - yishuiyuan2604 - 求助成功区
4 个回复 - 460 次查看 【作者(必填)】Sangkyun Park 【文题(必填)】Stocks as a Hedge against Inflation: Does Corporate Profitability Keep Up with Inflation? 【年份(必填)】2023 【全文链接或数据库名称(选填)】Stocks as a ...2024-7-8 16:55 - yishuiyuan2604 - 求助成功区
MIT大牛Gilbert Strang线性代数课件Linear Algebra and Its Applications
2 个回复 - 451 次查看 麻省理工（MIT）大牛Gilbert Strang线性代数课件—— Linear Algebra and Its Applications 还有Introduction to Linear Algebra，上传的时候显示论坛里已经有啦，大家可以再找找2024-8-21 16:22 - dreamhk - 金融学（理论版）
2 个回复 - 451 次查看 麻省理工（MIT）大牛Gilbert Strang线性代数课件—— Linear Algebra and Its Applications 还有Introduction to Linear Algebra，上传的时候显示论坛里已经有啦，大家可以再找找2024-8-21 16:22 - dreamhk - 金融学（理论版）
AccountingInformationSystems 4ed -- Richardson,Chang,Smith -- McGrawHill
6 个回复 - 331 次查看 AccountingInformationSystems 4ed -- Richardson,Chang,Smith -- McGrawHill2024-8-31 00:00 - 黑丝刘盼 - 经管书评
6 个回复 - 331 次查看 AccountingInformationSystems 4ed -- Richardson,Chang,Smith -- McGrawHill2024-8-31 00:00 - 黑丝刘盼 - 经管书评
The Corporate Life Cycle: Business, Investment, and Management Implications
38 个回复 - 1658 次查看 The Corporate Life Cycle: Business, Investment, and Management Implications Hardcover – August 20, 2024 目前帖子上传的文件，不是悬赏的文件，望同学们等有了正确的文件后，再下载，谢谢！2024-8-26 11:48 - alexwoos - 求助成功区
38 个回复 - 1658 次查看 The Corporate Life Cycle: Business, Investment, and Management Implications Hardcover – August 20, 2024 目前帖子上传的文件，不是悬赏的文件，望同学们等有了正确的文件后，再下载，谢谢！2024-8-26 11:48 - alexwoos - 求助成功区
Applications of Regression for Categorical Outcomes Using R
4 个回复 - 279 次查看 Applications of Regression for Categorical Outcomes Using R，欢迎下载学习 本资源来源于网络，仅供交流学习，不用于商业目的！如涉侵权，请联系删除！2024-8-27 22:44 - fugangxx - R语言论坛
4 个回复 - 279 次查看 Applications of Regression for Categorical Outcomes Using R，欢迎下载学习 本资源来源于网络，仅供交流学习，不用于商业目的！如涉侵权，请联系删除！2024-8-27 22:44 - fugangxx - R语言论坛
The impact of land price regulation on land-use intensity: evidence from Chinese
2 个回复 - 122 次查看 【作者(必填)】 Aidong Zhao, Jinsheng Huang, Huub Ploegmakers, Erwin van der Krabben & Xianlei Ma 【文题(必填)】 The impact of land price regulation on land-use intensity: evidence from Chinese mini ...2024-8-31 09:31 - 钱学森64 - 求助成功区
2 个回复 - 122 次查看 【作者(必填)】 Aidong Zhao, Jinsheng Huang, Huub Ploegmakers, Erwin van der Krabben & Xianlei Ma 【文题(必填)】 The impact of land price regulation on land-use intensity: evidence from Chinese mini ...2024-8-31 09:31 - 钱学森64 - 求助成功区
FINANCIAL INSTITUTIONS MANAGEMENT A RISK MANAGEMENT APPROACH 9ed
1 个回复 - 163 次查看 FINANCIAL INSTITUTIONS MANAGEMENT A RISK MANAGEMENT APPROACH 9ed -- Anthony Saunders&Marcia Millon Cornett2024-8-28 22:57 - 黑丝刘盼 - 经管书评
1 个回复 - 163 次查看 FINANCIAL INSTITUTIONS MANAGEMENT A RISK MANAGEMENT APPROACH 9ed -- Anthony Saunders&Marcia Millon Cornett2024-8-28 22:57 - 黑丝刘盼 - 经管书评
The impact of financial sanctions on the international monetary system
2 个回复 - 122 次查看 【作者(必填)】Qiyuan Xu &Aizong Xiong 【文题(必填)】The impact of financial sanctions on the international monetary system 【年份(必填)】Pages 253-262 | Received 30 Jun 2022, Accepted ...2024-8-31 09:08 - huangsiyuan2694 - 求助成功区
2 个回复 - 122 次查看 【作者(必填)】Qiyuan Xu &Aizong Xiong 【文题(必填)】The impact of financial sanctions on the international monetary system 【年份(必填)】Pages 253-262 | Received 30 Jun 2022, Accepted ...2024-8-31 09:08 - huangsiyuan2694 - 求助成功区
Companies Act With Rules -- Taxmann -- 2024 -- Taxmann Publications
1 个回复 - 139 次查看 Companies Act With Rules -- Taxmann -- 2024 -- Taxmann Publications2024-8-29 23:29 - 黑丝刘盼 - 经管书评
1 个回复 - 139 次查看 Companies Act With Rules -- Taxmann -- 2024 -- Taxmann Publications2024-8-29 23:29 - 黑丝刘盼 - 经管书评
R Visualizations: Derive Meaning from Data
9 个回复 - 384 次查看 R Visualizations: Derive Meaning from Data，欢迎下载学习 本资源来源于网络，仅供交流学习，不用于商业目的！如涉侵权，请联系删除！2024-8-24 10:06 - fugangxx - R语言论坛
9 个回复 - 384 次查看 R Visualizations: Derive Meaning from Data，欢迎下载学习 本资源来源于网络，仅供交流学习，不用于商业目的！如涉侵权，请联系删除！2024-8-24 10:06 - fugangxx - R语言论坛
Any Happy Returns Structural Changes and Super Cycles
9 个回复 - 1248 次查看 In Any Happy Returns: Structural Changes and Super Cycles in Markets, celebrated author Peter C. Oppenheimer delivers his much-anticipated follow-up to The Long Good Buy. The book discusses how struct ...2024-8-29 18:13 - henry_huwei - 投资人（实务版）
9 个回复 - 1248 次查看 In Any Happy Returns: Structural Changes and Super Cycles in Markets, celebrated author Peter C. Oppenheimer delivers his much-anticipated follow-up to The Long Good Buy. The book discusses how struct ...2024-8-29 18:13 - henry_huwei - 投资人（实务版）
悬赏SAS Proc Transpose 排序变量和数据整合问题！金币多多！
2 个回复 - 217 次查看 楼主最近遇到了一个SAS Proc Transpose 排序变量和数据整合的问题，想请教坛里的高手。 楼主有多个项目需要处理所以不能分心花很多时间解决这个技术问题，所以特此金币悬赏解答。 具体数据请看这个附件。 第 ...2024-8-29 13:06 - reduce_fat - SAS专版
2 个回复 - 217 次查看 楼主最近遇到了一个SAS Proc Transpose 排序变量和数据整合的问题，想请教坛里的高手。 楼主有多个项目需要处理所以不能分心花很多时间解决这个技术问题，所以特此金币悬赏解答。 具体数据请看这个附件。 第 ...2024-8-29 13:06 - reduce_fat - SAS专版
Corporate Social Responsibility and Corporate Control
1 个回复 - 88 次查看 【作者(必填)】Neveen Abdelrehim,Josephine Maltby and Steven Toms 【文题(必填)】Corporate Social Responsibility and Corporate Control: The Anglo-Iranian Oil Company, 1933–1951 【年份(必填)】Publ ...2024-8-31 08:10 - huangsiyuan2694 - 求助成功区
1 个回复 - 88 次查看 【作者(必填)】Neveen Abdelrehim,Josephine Maltby and Steven Toms 【文题(必填)】Corporate Social Responsibility and Corporate Control: The Anglo-Iranian Oil Company, 1933–1951 【年份(必填)】Publ ...2024-8-31 08:10 - huangsiyuan2694 - 求助成功区
Digital transformation and corporate performance
0 个回复 - 199 次查看 【作者(必填)】Shiguang Li ,Zheng Yang &Yixiang Tian 【文题(必填)】Digital transformation and corporate performance: evidence from China 【年份(必填)】Pages 312-334 | Rec ...2024-8-31 09:12 - huangsiyuan2694 - 文献求助专区
0 个回复 - 199 次查看 【作者(必填)】Shiguang Li ,Zheng Yang &Yixiang Tian 【文题(必填)】Digital transformation and corporate performance: evidence from China 【年份(必填)】Pages 312-334 | Rec ...2024-8-31 09:12 - huangsiyuan2694 - 文献求助专区
Economics of face masks through the lens of Chinese consumers during COVID-19
0 个回复 - 206 次查看 【作者(必填)】Qiujie Zheng ,H. Holly Wang ,Guoyong Wu &Rachel W. Zhang 【文题(必填)】Economics of face masks through the lens of Chinese consumers during COVID-19: demand, supply, price, and ...2024-8-31 09:07 - huangsiyuan2694 - 文献求助专区
0 个回复 - 206 次查看 【作者(必填)】Qiujie Zheng ,H. Holly Wang ,Guoyong Wu &Rachel W. Zhang 【文题(必填)】Economics of face masks through the lens of Chinese consumers during COVID-19: demand, supply, price, and ...2024-8-31 09:07 - huangsiyuan2694 - 文献求助专区
Nuclear engineering and technology transfer
1 个回复 - 115 次查看 【作者(必填)】Joseba De la Torre,Mar Rubio-VarasORCID Icon,Esther M. Sánchez-Sánchez &Gloria Sanz Lafuente 【文题(必填)】Nuclear engineering and technology transfer: The Spanish strategies to dea ...2024-8-31 08:47 - huangsiyuan2694 - 求助成功区
1 个回复 - 115 次查看 【作者(必填)】Joseba De la Torre,Mar Rubio-VarasORCID Icon,Esther M. Sánchez-Sánchez &Gloria Sanz Lafuente 【文题(必填)】Nuclear engineering and technology transfer: The Spanish strategies to dea ...2024-8-31 08:47 - huangsiyuan2694 - 求助成功区
The European response to the challenge of the Japanese steel industry
1 个回复 - 107 次查看 【作者(必填)】Pablo Díaz-Morlán &Miguel Sáez-García 【文题(必填)】The European response to the challenge of the Japanese steel industry (1950–1980) 【年份(必填)】Pages 244-263 | Published o ...2024-8-31 08:20 - huangsiyuan2694 - 求助成功区
1 个回复 - 107 次查看 【作者(必填)】Pablo Díaz-Morlán &Miguel Sáez-García 【文题(必填)】The European response to the challenge of the Japanese steel industry (1950–1980) 【年份(必填)】Pages 244-263 | Published o ...2024-8-31 08:20 - huangsiyuan2694 - 求助成功区
Financial Institutions Management A Risk Management Approach 11ed
0 个回复 - 109 次查看 Financial Institutions Management A Risk Management Approach 11ed -- Anthony Saunders,Marcia Millon Cornett,Otgontsetseg (Otgo) Erhemjamts2024-8-30 23:42 - 黑丝刘盼 - 经管书评
0 个回复 - 109 次查看 Financial Institutions Management A Risk Management Approach 11ed -- Anthony Saunders,Marcia Millon Cornett,Otgontsetseg (Otgo) Erhemjamts2024-8-30 23:42 - 黑丝刘盼 - 经管书评
R for Conservation and Development Projects A Primer for Practitioners
1 个回复 - 192 次查看 R for Conservation and Development Projects A Primer for Practitioners，欢迎下载学习 本资源来源于网络，仅供交流学习，不用于商业目的！如涉侵权，请联系删除！2024-8-29 20:12 - fugangxx - R语言论坛
1 个回复 - 192 次查看 R for Conservation and Development Projects A Primer for Practitioners，欢迎下载学习 本资源来源于网络，仅供交流学习，不用于商业目的！如涉侵权，请联系删除！2024-8-29 20:12 - fugangxx - R语言论坛
The Society for Worldwide Interbank Financial Telecommunications (SWIFT)
2 个回复 - 364 次查看 【作者(必填)】Bernardo Bátiz-Lazo 【文题(必填)】The Society for Worldwide Interbank Financial Telecommunications (SWIFT): cooperative governance for network innovation, standards, and community ...2024-8-28 22:01 - czl - 求助成功区
2 个回复 - 364 次查看 【作者(必填)】Bernardo Bátiz-Lazo 【文题(必填)】The Society for Worldwide Interbank Financial Telecommunications (SWIFT): cooperative governance for network innovation, standards, and community ...2024-8-28 22:01 - czl - 求助成功区
The transformation of global luxury brands
3 个回复 - 516 次查看 【作者(必填)】Pierre-Yves Donzé 【文题(必填)】The transformation of global luxury brands: The case of the Swiss watch company Longines, 1880–2010 【年份(必填)】Pages 26-41 | Published onli ...2024-8-28 22:44 - huangxiaofen - 求助成功区
3 个回复 - 516 次查看 【作者(必填)】Pierre-Yves Donzé 【文题(必填)】The transformation of global luxury brands: The case of the Swiss watch company Longines, 1880–2010 【年份(必填)】Pages 26-41 | Published onli ...2024-8-28 22:44 - huangxiaofen - 求助成功区
Public Relations, Issue Management, and the Transformation of American Environme
1 个回复 - 84 次查看 【作者(必填)】MELISSA ARONCZYK 【文题(必填)】Public Relations, Issue Management, and the Transformation of American Environmentalism 【年份(必填)】Published online by Cambridge University Press: ...2024-8-30 12:33 - huangsiyuan2694 - 求助成功区
1 个回复 - 84 次查看 【作者(必填)】MELISSA ARONCZYK 【文题(必填)】Public Relations, Issue Management, and the Transformation of American Environmentalism 【年份(必填)】Published online by Cambridge University Press: ...2024-8-30 12:33 - huangsiyuan2694 - 求助成功区
The expansion of branding in international marketing
2 个回复 - 133 次查看 【作者(必填)】Ramon Ramon-Muñoz 【文题(必填)】The expansion of branding in international marketing: The case of olive oil, 1870s–1930sFootnote 【年份(必填)】Pages 98-122 | Published online ...2024-8-30 12:43 - huangsiyuan2694 - 求助成功区
2 个回复 - 133 次查看 【作者(必填)】Ramon Ramon-Muñoz 【文题(必填)】The expansion of branding in international marketing: The case of olive oil, 1870s–1930sFootnote 【年份(必填)】Pages 98-122 | Published online ...2024-8-30 12:43 - huangsiyuan2694 - 求助成功区
Coworker Narcissism: Employee Emotional and Behavioral Reactions as Moderated by
1 个回复 - 228 次查看 【作者(必填)】Greenbaum, R. L., Gray, T. W., Hill, A. D., Lima, M., Royce, S. S., & Smales, A. A. 【文题(必填)】Coworker Narcissism: Employee Emotional and Behavioral Reactions as Moderated by Bott ...2024-8-30 11:27 - zhouliansd - 文献求助专区
1 个回复 - 228 次查看 【作者(必填)】Greenbaum, R. L., Gray, T. W., Hill, A. D., Lima, M., Royce, S. S., & Smales, A. A. 【文题(必填)】Coworker Narcissism: Employee Emotional and Behavioral Reactions as Moderated by Bott ...2024-8-30 11:27 - zhouliansd - 文献求助专区
Land Use Regulations and Regional Economic Development
2 个回复 - 123 次查看 【作者(必填)】 Perry Burnett 【文题(必填)】 Land Use Regulations and Regional Economic Development【年份(必填)】 2016 【全文链接或数据库名称(选填)】如需批量上传资料发帖，请点击上方的批量上传发帖按 ...2024-8-30 08:57 - 钱学森64 - 求助成功区
2 个回复 - 123 次查看 【作者(必填)】 Perry Burnett 【文题(必填)】 Land Use Regulations and Regional Economic Development【年份(必填)】 2016 【全文链接或数据库名称(选填)】如需批量上传资料发帖，请点击上方的批量上传发帖按 ...2024-8-30 08:57 - 钱学森64 - 求助成功区
关于stata使用ssc install 无法下载外部命令
0 个回复 - 737 次查看 我使用的是stata18,使用ssc install无法下载外部命令，这是因为什么？或者请问广大的友友们是否有elabel这个外部命令的安装包，感谢感谢。2024-8-29 18:00 - 莉莉安lla - Stata专版
0 个回复 - 737 次查看 我使用的是stata18,使用ssc install无法下载外部命令，这是因为什么？或者请问广大的友友们是否有elabel这个外部命令的安装包，感谢感谢。2024-8-29 18:00 - 莉莉安lla - Stata专版
R软件使用过程中，中性模型使用过程产生了NaNs，怎么解决呢？
4 个回复 - 661 次查看 library(Hmisc) library(minpack.lm) library(stats4) #spp: 物种或分类群的丰度表，行是分类群，列是样本 spp2024-6-24 10:50 - zhangcuixia_20 - R语言论坛
4 个回复 - 661 次查看 library(Hmisc) library(minpack.lm) library(stats4) #spp: 物种或分类群的丰度表，行是分类群，列是样本 spp2024-6-24 10:50 - zhangcuixia_20 - R语言论坛
Probability and Statistics with Applications, 2nd Ed., by Asimow and Maxwell
2 个回复 - 355 次查看 【作者(必填)】Asimow and Maxwell 【文题(必填)】Probability & Statistics with Applications: A Problem Solving Text, 2nd Edition 【年份(必填)】2015 【全文链接或数据库名称(选填)】2024-8-29 12:24 - changshen424 - 文献求助专区
2 个回复 - 355 次查看 【作者(必填)】Asimow and Maxwell 【文题(必填)】Probability & Statistics with Applications: A Problem Solving Text, 2nd Edition 【年份(必填)】2015 【全文链接或数据库名称(选填)】2024-8-29 12:24 - changshen424 - 文献求助专区
Reverse Engineering of Deceptions on Machine- and Human-Centric Attacks
1 个回复 - 326 次查看 【作者(必填)】Yuguang Yao 【文题(必填)】Reverse Engineering of Deceptions on Machine- and Human-Centric Attacks 【年份(必填)】2024 【全文链接或数据库名称(选填)】https://www.nowpublishers.com/ar ...2024-7-25 23:08 - eeabcde - 求助成功区
1 个回复 - 326 次查看 【作者(必填)】Yuguang Yao 【文题(必填)】Reverse Engineering of Deceptions on Machine- and Human-Centric Attacks 【年份(必填)】2024 【全文链接或数据库名称(选填)】https://www.nowpublishers.com/ar ...2024-7-25 23:08 - eeabcde - 求助成功区
Who financed the expansion of the equity market
1 个回复 - 85 次查看 【作者(必填)】Graeme G. Acheson,Gareth Campbell &John D. Turner 【文题(必填)】Who financed the expansion of the equity market? Shareholder clienteles in Victorian Britain 【年份(必填)】Pages 607 ...2024-8-28 22:14 - czl - 求助成功区
1 个回复 - 85 次查看 【作者(必填)】Graeme G. Acheson,Gareth Campbell &John D. Turner 【文题(必填)】Who financed the expansion of the equity market? Shareholder clienteles in Victorian Britain 【年份(必填)】Pages 607 ...2024-8-28 22:14 - czl - 求助成功区
Corporations in the US and Europe 1790–1860
1 个回复 - 294 次查看 【作者(必填)】Les Hannah 【文题(必填)】Corporations in the US and Europe 1790–1860 【年份(必填)】Pages 865-899 | Published online: 13 Dec 2013 【全文链接或数据库名称(选填)】htt ...2024-8-28 23:04 - yishuiyuan2604 - 求助成功区
1 个回复 - 294 次查看 【作者(必填)】Les Hannah 【文题(必填)】Corporations in the US and Europe 1790–1860 【年份(必填)】Pages 865-899 | Published online: 13 Dec 2013 【全文链接或数据库名称(选填)】htt ...2024-8-28 23:04 - yishuiyuan2604 - 求助成功区
Retail trade and payment innovations in the digital era
1 个回复 - 281 次查看 【作者(必填)】J. Carles Maixé-AltésORCID Icon 【文题(必填)】Retail trade and payment innovations in the digital era: a cross-industry and multi-country approach 【年份(必填)】Pages 588-612 | Pub ...2024-8-28 22:38 - huangxiaofen - 求助成功区
1 个回复 - 281 次查看 【作者(必填)】J. Carles Maixé-AltésORCID Icon 【文题(必填)】Retail trade and payment innovations in the digital era: a cross-industry and multi-country approach 【年份(必填)】Pages 588-612 | Pub ...2024-8-28 22:38 - huangxiaofen - 求助成功区
The European Lilliputians attacking IBM
1 个回复 - 294 次查看 【作者(必填)】Arthe Van Laer 【文题(必填)】The European Lilliputians attacking IBM: Balancing innovation and competition in the European Commission’s first big antitrust case (1973–1984) 【年份 ...2024-8-28 22:48 - huangxiaofen - 求助成功区
1 个回复 - 294 次查看 【作者(必填)】Arthe Van Laer 【文题(必填)】The European Lilliputians attacking IBM: Balancing innovation and competition in the European Commission’s first big antitrust case (1973–1984) 【年份 ...2024-8-28 22:48 - huangxiaofen - 求助成功区
Health and safety regulations and stock returns
1 个回复 - 110 次查看 【作者(必填)】Linus Siming 【文题(必填)】Health and safety regulations and stock returns: evidence from the 1974 Swedish legislative lottery 【年份(必填)】Published online by Cambridge Universit ...2024-8-28 10:52 - czl - 求助成功区
1 个回复 - 110 次查看 【作者(必填)】Linus Siming 【文题(必填)】Health and safety regulations and stock returns: evidence from the 1974 Swedish legislative lottery 【年份(必填)】Published online by Cambridge Universit ...2024-8-28 10:52 - czl - 求助成功区
Market access and transparency
1 个回复 - 127 次查看 【作者(必填)】Angelo Riv 【文题(必填)】Market access and transparency: the Genoa and Milan stock exchanges from Italian Unification to World War I 【年份(必填)】Published online by Cambridge Unive ...2024-8-28 10:54 - czl - 求助成功区
1 个回复 - 127 次查看 【作者(必填)】Angelo Riv 【文题(必填)】Market access and transparency: the Genoa and Milan stock exchanges from Italian Unification to World War I 【年份(必填)】Published online by Cambridge Unive ...2024-8-28 10:54 - czl - 求助成功区
The Privatisation and Liberalisation of Dutch Telecommunications in the 1980s
1 个回复 - 294 次查看 【作者(必填)】Mila Davids 【文题(必填)】The Privatisation and Liberalisation of Dutch Telecommunications in the 1980s 【年份(必填)】Pages 219-243 | Published online: 24 Jan 2007 【全文链接或数 ...2024-8-28 22:00 - czl - 求助成功区
1 个回复 - 294 次查看 【作者(必填)】Mila Davids 【文题(必填)】The Privatisation and Liberalisation of Dutch Telecommunications in the 1980s 【年份(必填)】Pages 219-243 | Published online: 24 Jan 2007 【全文链接或数 ...2024-8-28 22:00 - czl - 求助成功区
Innovative Enterprise and Historical Transformation
1 个回复 - 107 次查看 【作者(必填)】William Lazonick 【文题(必填)】Innovative Enterprise and Historical Transformation 【年份(必填)】Published online by Cambridge University Press: 18 February 2015 【全文链接或数 ...2024-8-28 21:33 - yishuiyuan2604 - 求助成功区
1 个回复 - 107 次查看 【作者(必填)】William Lazonick 【文题(必填)】Innovative Enterprise and Historical Transformation 【年份(必填)】Published online by Cambridge University Press: 18 February 2015 【全文链接或数 ...2024-8-28 21:33 - yishuiyuan2604 - 求助成功区
Public Relations, Issue Management
1 个回复 - 87 次查看 【作者(必填)】MELISSA ARONCZYK 【文题(必填)】Public Relations, Issue Management, and the Transformation of American Environmentalism, 1948–1992 【年份(必填)】Published online by Cambridge Unive ...2024-8-28 21:35 - yishuiyuan2604 - 求助成功区
1 个回复 - 87 次查看 【作者(必填)】MELISSA ARONCZYK 【文题(必填)】Public Relations, Issue Management, and the Transformation of American Environmentalism, 1948–1992 【年份(必填)】Published online by Cambridge Unive ...2024-8-28 21:35 - yishuiyuan2604 - 求助成功区
How politics, economics, and institutions shaped electric utility regulation in
1 个回复 - 94 次查看 【作者(必填)】William J. Hausman &John L. Neufeld 【文题(必填)】How politics, economics, and institutions shaped electric utility regulation in the United States: 1879–2009 【年份(必填)】Pages ...2024-8-28 21:39 - yishuiyuan2604 - 求助成功区
1 个回复 - 94 次查看 【作者(必填)】William J. Hausman &John L. Neufeld 【文题(必填)】How politics, economics, and institutions shaped electric utility regulation in the United States: 1879–2009 【年份(必填)】Pages ...2024-8-28 21:39 - yishuiyuan2604 - 求助成功区
The contribution of the Stephenson Company
1 个回复 - 103 次查看 【作者(必填)】Neveen Abdelrehim,Tom McGovern,Tom McLean,David Oldroyd &Thomas N. Tyson 【文题(必填)】The contribution of the Stephenson Company, engine manufacturers to the genesis of the British r ...2024-8-27 23:07 - czl - 求助成功区
1 个回复 - 103 次查看 【作者(必填)】Neveen Abdelrehim,Tom McGovern,Tom McLean,David Oldroyd &Thomas N. Tyson 【文题(必填)】The contribution of the Stephenson Company, engine manufacturers to the genesis of the British r ...2024-8-27 23:07 - czl - 求助成功区
Architects and knowledge transfer in hospital systems
1 个回复 - 88 次查看 【作者(必填)】Pierre-Yves Donzé 【文题(必填)】Architects and knowledge transfer in hospital systems: The introduction of Western hospital designs in Japan (1918–1970) 【年份(必填)】Pages 538-5 ...2024-8-27 23:31 - yishuiyuan2604 - 求助成功区
1 个回复 - 88 次查看 【作者(必填)】Pierre-Yves Donzé 【文题(必填)】Architects and knowledge transfer in hospital systems: The introduction of Western hospital designs in Japan (1918–1970) 【年份(必填)】Pages 538-5 ...2024-8-27 23:31 - yishuiyuan2604 - 求助成功区
Origins of arbitrage
1 个回复 - 88 次查看 【作者(必填)】Geoffrey Poitras 【文题(必填)】Origins of arbitrage 【年份(必填)】Published online by Cambridge University Press: 11 May 2021 【全文链接或数据库名称(选填)】https://www.cambridg ...2024-8-28 10:51 - czl - 求助成功区
1 个回复 - 88 次查看 【作者(必填)】Geoffrey Poitras 【文题(必填)】Origins of arbitrage 【年份(必填)】Published online by Cambridge University Press: 11 May 2021 【全文链接或数据库名称(选填)】https://www.cambridg ...2024-8-28 10:51 - czl - 求助成功区
Prices: sources, problems, solutions
1 个回复 - 96 次查看 【作者(必填)】Peter M. Solar 【文题(必填)】Prices: sources, problems, solutions 【年份(必填)】Published online by Cambridge University Press: 26 January 2023 【全文链接或数据库名称(选填)】ht ...2024-8-28 10:53 - czl - 求助成功区
1 个回复 - 96 次查看 【作者(必填)】Peter M. Solar 【文题(必填)】Prices: sources, problems, solutions 【年份(必填)】Published online by Cambridge University Press: 26 January 2023 【全文链接或数据库名称(选填)】ht ...2024-8-28 10:53 - czl - 求助成功区
Applications of Regression for Categorical Outcomes Using R
1 个回复 - 152 次查看 Applications of Regression for Categorical Outcomes Using R， 欢迎下载学习本资源来源于网络，仅供交流学习，不用于商业目的！如涉侵权，请联系删除！2024-8-27 22:53 - fugangxx - R语言论坛
1 个回复 - 152 次查看 Applications of Regression for Categorical Outcomes Using R， 欢迎下载学习本资源来源于网络，仅供交流学习，不用于商业目的！如涉侵权，请联系删除！2024-8-27 22:53 - fugangxx - R语言论坛
Price manipulation at the NYSE and the 1899 battle for Brooklyn Rapid Transit sh
1 个回复 - 89 次查看 【作者(必填)】Timothy A. Kruse and Steven K. Todd 【文题(必填)】Price manipulation at the NYSE and the 1899 battle for Brooklyn Rapid Transit shares 【年份(必填)】Published online by Cambridge U ...2024-8-28 15:02 - czl - 求助成功区
1 个回复 - 89 次查看 【作者(必填)】Timothy A. Kruse and Steven K. Todd 【文题(必填)】Price manipulation at the NYSE and the 1899 battle for Brooklyn Rapid Transit shares 【年份(必填)】Published online by Cambridge U ...2024-8-28 15:02 - czl - 求助成功区
How Does Firms’ Innovation Disclosure Affect Their Banking Relationships?
1 个回复 - 121 次查看 【作者(必填)】Farzad Saidi , Alminas Žaldokas 【文题(必填)】How Does Firms’ Innovation Disclosure Affect Their Banking Relationships? 【年份(必填)】2020 【全文链接或数据库名称(选填)】ht ...2024-8-28 13:30 - hiderm - 求助成功区
1 个回复 - 121 次查看 【作者(必填)】Farzad Saidi , Alminas Žaldokas 【文题(必填)】How Does Firms’ Innovation Disclosure Affect Their Banking Relationships? 【年份(必填)】2020 【全文链接或数据库名称(选填)】ht ...2024-8-28 13:30 - hiderm - 求助成功区
Before the ‘locomotive’ runs
1 个回复 - 71 次查看 【作者(必填)】Kazuhiko Yago 【文题(必填)】Before the ‘locomotive’ runs: the impact of the 1973–1974 oil shock on Japan and the international financial system 【年份(必填)】Published online by C ...2024-8-28 11:17 - czl - 求助成功区
1 个回复 - 71 次查看 【作者(必填)】Kazuhiko Yago 【文题(必填)】Before the ‘locomotive’ runs: the impact of the 1973–1974 oil shock on Japan and the international financial system 【年份(必填)】Published online by C ...2024-8-28 11:17 - czl - 求助成功区
Co-operation and the ‘new consumerism’ in interwar England
1 个回复 - 61 次查看 【作者(必填)】Peter J. Gurney 【文题(必填)】Co-operation and the ‘new consumerism’ in interwar England 【年份(必填)】Pages 905-924 | Published online: 26 Sep 2012 【全文链接或数据库名称(选填 ...2024-8-27 22:51 - czl - 求助成功区
1 个回复 - 61 次查看 【作者(必填)】Peter J. Gurney 【文题(必填)】Co-operation and the ‘new consumerism’ in interwar England 【年份(必填)】Pages 905-924 | Published online: 26 Sep 2012 【全文链接或数据库名称(选填 ...2024-8-27 22:51 - czl - 求助成功区
Lessons from the upscaling of the electricity industry in England and Wales
1 个回复 - 68 次查看 【作者(必填)】Nuno Luis Madureira 【文题(必填)】The confident forecaster. Lessons from the upscaling of the electricity industry in England and Wales 【年份(必填)】Pages 408-430 | Published onli ...2024-8-27 22:47 - czl - 求助成功区
1 个回复 - 68 次查看 【作者(必填)】Nuno Luis Madureira 【文题(必填)】The confident forecaster. Lessons from the upscaling of the electricity industry in England and Wales 【年份(必填)】Pages 408-430 | Published onli ...2024-8-27 22:47 - czl - 求助成功区
Symbolic consumption, signification and the ‘lockout’ of electric car
1 个回复 - 75 次查看 【作者(必填)】Chris Ivory &Audley Genus 【文题(必填)】Symbolic consumption, signification and the ‘lockout’ of electric cars, 1885–1914 【年份(必填)】Pages 1107-1122 | Published online: 21 De ...2024-8-27 22:45 - czl - 求助成功区
1 个回复 - 75 次查看 【作者(必填)】Chris Ivory &Audley Genus 【文题(必填)】Symbolic consumption, signification and the ‘lockout’ of electric cars, 1885–1914 【年份(必填)】Pages 1107-1122 | Published online: 21 De ...2024-8-27 22:45 - czl - 求助成功区
The Expansion of the U.S. Stock Market
1 个回复 - 89 次查看 【作者(必填)】Mary O'Sullivan 【文题(必填)】The Expansion of the U.S. Stock Market, 1885–1930: Historical Facts and Theoretical Fashions 【年份(必填)】Published online by Cambridge University P ...2024-8-27 22:41 - czl - 求助成功区
1 个回复 - 89 次查看 【作者(必填)】Mary O'Sullivan 【文题(必填)】The Expansion of the U.S. Stock Market, 1885–1930: Historical Facts and Theoretical Fashions 【年份(必填)】Published online by Cambridge University P ...2024-8-27 22:41 - czl - 求助成功区
Despite Best Intentions
1 个回复 - 64 次查看 【作者(必填)】Ross Hamilton 【文题(必填)】Despite Best Intentions: The Evolution of the British Minicomputer Industry 【年份(必填)】Pages 81-104 | Published online: 28 Jul 2006 【全文链接或数 ...2024-8-27 23:40 - yishuiyuan2604 - 求助成功区
1 个回复 - 64 次查看 【作者(必填)】Ross Hamilton 【文题(必填)】Despite Best Intentions: The Evolution of the British Minicomputer Industry 【年份(必填)】Pages 81-104 | Published online: 28 Jul 2006 【全文链接或数 ...2024-8-27 23:40 - yishuiyuan2604 - 求助成功区
Non-financial motivations in mergers and acquisitions
1 个回复 - 106 次查看 【作者(必填)】Laura Maran &Lee Parker 【文题(必填)】Non-financial motivations in mergers and acquisitions: The Fiat–Ferrari case 【年份(必填)】Pages 606-667 | Published online: 18 Aug 2019 【 ...2024-8-27 23:43 - yishuiyuan2604 - 求助成功区
1 个回复 - 106 次查看 【作者(必填)】Laura Maran &Lee Parker 【文题(必填)】Non-financial motivations in mergers and acquisitions: The Fiat–Ferrari case 【年份(必填)】Pages 606-667 | Published online: 18 Aug 2019 【 ...2024-8-27 23:43 - yishuiyuan2604 - 求助成功区
The mass consumption of refashioned clothes
1 个回复 - 71 次查看 【作者(必填)】Miki Sugiura 【文题(必填)】The mass consumption of refashioned clothes: Re-dyed kimono in post war Japan 【年份(必填)】Pages 106-121 | Received 15 Jan 2017, Accepted 20 Jun 2018, P ...2024-8-28 00:06 - czl - 求助成功区
1 个回复 - 71 次查看 【作者(必填)】Miki Sugiura 【文题(必填)】The mass consumption of refashioned clothes: Re-dyed kimono in post war Japan 【年份(必填)】Pages 106-121 | Received 15 Jan 2017, Accepted 20 Jun 2018, P ...2024-8-28 00:06 - czl - 求助成功区
Institutional logic dynamics: private firm financing in Ningbo
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ECONOMETRICS Bruce E. Hansen
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Strategic Transformation in Japan’s SMEs, 1990–2008
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From the Margins to the Core of Haute Couture
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Corporate restructuring in the telecommunications equipment industry
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2 个回复 - 116 次查看 【作者(必填)】ángel Calvo 【文题(必填)】Corporate restructuring in the telecommunications equipment industry: The case of Spain in the late twentieth century Pages 1151-1186 | Received ...2024-8-24 11:16 - yishuiyuan2604 - 求助成功区
Du Pont Turns 150
1 个回复 - 70 次查看 【作者(必填)】TAYLOR ALEXANDRA CURRIE 【文题(必填)】Du Pont Turns 150: Corporate Culture as Public Culture 【年份(必填)】Published online by Cambridge University Press: 03 January 2019 【全文链 ...2024-8-27 12:59 - czl - 求助成功区
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Viewing Corporations as Information Ecosystems
1 个回复 - 107 次查看 【作者(必填)】JAMES W. CORTADA 【文题(必填)】Viewing Corporations as Information Ecosystems: The Case of IBM, 1914–1980s【年份(必填)】Published online by Cambridge University Press: 14 September ...2024-8-27 11:36 - czl - 求助成功区
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Deceptions Have Been Practiced
1 个回复 - 82 次查看 【作者(必填)】ANDREW VENTIMIGLIA 【文题(必填)】“Deceptions Have Been Practiced”: Food Standards as Intellectual Property in the Missouri and Ohio Wine Industries (1906–1920) 【年份(必填)】Publi ...2024-8-27 11:28 - czl - 求助成功区
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Inside and Outside the London Stock Exchange
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The China United Assurance Society and the Making of Chinese Life Insurance, 191
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1 个回复 - 71 次查看 【作者(必填)】MATTHEW LOWENSTEIN 【文题(必填)】The China United Assurance Society and the Making of Chinese Life Insurance, 1912–1949 【年份(必填)】Published online by Cambridge University Press: ...2024-8-27 11:14 - czl - 求助成功区
因子选股系列之一〇八：KD-Ensemble，基于知识蒸馏的
0 个回复 - 79 次查看 因子选股系列之一〇八：KD-Ensemble，基于知识蒸馏的alpha因子挖掘模型-240819-东方证券-33页2024-8-27 10:30 - 雨落穿林 - 行业分析报告
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