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mplus运行后出现问题 计量经济学与统计软件 ahzhuzhu 2024-1-4 1 716 霸王龙吃南瓜 2024-12-18 19:32:07
Characters and Blocks of Finite Groups attachment 经济金融数学专区 wxwpxh 2024-2-11 7 561 xujingjun 2024-3-7 09:23:58
悬赏 Characteristic-Sorted Portfolios: Estimation and InferencerectedFrom=PDF - [!reward_solved!] attachment 求助成功区 rayzhangfy 2024-2-24 3 256 heracles1977 2024-2-24 22:52:55
R语言问题求助 数据分析与数据科学 昆仑雪山 2024-1-20 3 1011 昆仑雪山 2024-1-28 20:46:52
Geometry of Characteristic Classes attachment 经济金融数学专区 wxwpxh 2023-12-23 2 423 laomm002 2023-12-23 12:22:22
悬赏 外文文献 - [悬赏 5 个论坛币] attachment 文献求助专区 道阻且长~~ 2023-12-5 1 515 giresse 2023-12-5 19:08:34
The Character of Organizations 文献求助专区 道阻且长~~ 2023-12-4 0 462 道阻且长~~ 2023-12-4 11:33:48
北大数字普惠金融指数2011-2021 attachment 世界经济与国际贸易 鹿天爱菜 2023-8-21 5 1406 5774687150 2023-11-28 16:43:05
血清寡糖链检测在乙肝相关性肝癌中的诊断价值 论文版 2019hansi 2023-11-10 0 605 2019hansi 2023-11-10 09:46:47
求助,为什么str()的结果和is.numeric()的结果不一致 R语言论坛 Tayrus 2023-9-14 3 536 drunkfish69 2023-9-14 15:28:41
悬赏 Copula-Based Characterizations for Higher Order Markov Processes - [!reward_solved!] attachment 求助成功区 internet.hzx 2023-8-24 1 315 giresse 2023-8-25 09:03:08
2011-2021北大数字普惠金融指数 attachment 世界经济与国际贸易 鹿天爱菜 2023-8-21 2 1116 鹿天爱菜 2023-8-22 17:10:12
悬赏 求《局部紧Abel群上的概率分布特征》 - [!reward_solved!] attachment 求助成功区 北固隐 2023-7-23 2 426 giresse 2023-7-24 06:19:29
Character Sums with Exponential Functions and their Applications attachment 经济金融数学专区 wxwpxh 2023-6-16 8 1023 yiyijiayuan 2023-6-18 17:12:49
R语言创建了数据框发现每列的数据是字符串 attach_img R语言论坛 是昕灵哒 2023-6-14 0 550 是昕灵哒 2023-6-14 15:15:33
创建数据框报错:'row.names' 不是长度为 24 的字符或整数向量 R语言论坛 是昕灵哒 2023-6-11 3 2103 是昕灵哒 2023-6-12 14:28:37
悬赏 Towards unified machine learning characterization of lithium-ion battery - [!reward_solved!] attachment 求助成功区 ticket1988 2023-6-8 1 322 giresse 2023-6-8 11:24:47
悬赏 Study of the Characteristics of Battery Packs in Electric Vehicles With Parallel - [!reward_solved!] attachment 求助成功区 ticket1988 2023-6-5 1 355 giresse 2023-6-5 21:28:23
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