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THE LATENT VARIABLE COVARIANCE MATRIX (PSI) IS NOT POSITIVE DEFINITE. SPSS论坛 木青qing 2024-1-15 1 936 namelessd 2024-3-21 20:42:42
stata中条件Logit模型报错omitted because of no within-group variance attach_img Stata专版 风之于秋水 2023-3-30 7 1361 辣条小皇子 2024-3-8 16:18:54
悬赏 Variance Formulas for the Mean Difference and Coefficient of Concentration - [!reward_solved!] attachment 求助成功区 internet.hzx 2024-2-11 1 190 giresse 2024-2-12 23:13:15
悬赏 Asymptotically constant risk estimator of the time-average variance constant - [悬赏 1 个论坛币] attachment 文献求助专区 internet.hzx 2024-2-7 1 579 giresse 2024-2-8 10:53:02
悬赏 Modeling spatial extremes using normal mean-variance mixtures - [!reward_solved!] attachment 求助成功区 internet.hzx 2024-1-4 1 184 allen515 2024-1-4 15:02:27
Introduction to Variance Swaps - Wilmott attachment 量化投资 lili2016 2023-12-28 0 279 lili2016 2023-12-28 02:00:35
悬赏 Ball Covariance: A Generic Measure of Dependence in Banach Space - [!reward_solved!] attachment 求助成功区 internet.hzx 2023-11-12 5 391 allen515 2023-12-16 19:50:13
nlsur回归的初始值设置问题 attach_img 数据交流中心 数据收集者12 2023-3-27 7 2113 chengfangbao 2023-12-9 22:07:10
reghdfe在stata16里可以正常使用，在stata17里出现错误，除系数外其他值空缺 attach_img Stata专版 jiayouyueyue 2023-9-2 1 756 oliyiyi 2023-9-5 09:50:27
悬赏 FORECASTING VALUE-AT-RISK WITH TIME-VARYING VARIANCE, SKEWNESS AND KURTOSIS IN A - [!reward_solved!] attachment 求助成功区 internet.hzx 2023-8-25 1 351 giresse 2023-8-25 08:37:57
悬赏 求助下载书籍Large Covariance and Autocovariance Matrices - [!reward_solved!] attachment 求助成功区 tjxxukai 2023-4-22 2 501 tjxxukai 2023-4-24 17:28:12
总脑小血管病负荷不同患者脑结构网络拓扑属性改变及其与认知障碍的相关性研究 论文版 2019hansi 2023-4-13 0 729 2019hansi 2023-4-13 09:05:50
悬赏 Principles of analysis of variance - [!reward_solved!] attachment 求助成功区 Jerry96 2023-3-6 3 432 Jerry96 2023-3-7 09:21:50
Pricing Models of Volatility Products and Exotic Variance Derivatives attachment 金融工程（数量金融）与金融衍生品 cheeyuen1994 2023-2-19 8 1502 xfx 2023-3-1 08:51:06
聚合效度 SPSS论坛 spssau 2023-2-27 0 1321 spssau 2023-2-27 11:01:12
悬赏 Variance swaps under the threshold Ornstein–Uhlenbeck model - [!reward_solved!] attachment 求助成功区 ssylzz 2023-1-7 2 425 giresse 2023-1-7 18:18:10
机器学习R2和FVE 计量经济学与统计软件 马瑞祺 2022-12-28 0 824 马瑞祺 2022-12-28 23:18:38
空间计量结果 Stata专版 dav891215 2022-11-28 0 548 dav891215 2022-11-28 21:19:34
悬赏 On the network topology of variance decompositions - [!reward_solved!] attachment 求助成功区 peter 2022-11-24 1 468 giresse 2022-11-24 13:17:27
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