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[求助]如何在stata里统计一个变量有多少个不同的值？ Stata专版 badou 2007-4-3 14 31402 zhang_2q 2025-10-15 20:55:38
揭秘缺失值 Stata专版 SpencerMeng 2014-12-6 14 6159 小林（广东） 2023-8-1 09:40:03
The Oxford Handbook of Panel Data by Badi H. Baltagi attach_img 计量经济学与统计软件 大家开心 2014-10-17 89 17504 永远的米兰 2022-10-10 19:33:20
请问：SAS如何实现数据透视？ SAS专版 龙战于野 2014-10-28 5 2339 Alice.n1ng 2022-2-24 18:10:20
count data hierarchical models winbugs及其他软件专版 楚颜错 2014-8-10 1 1759 gotosky2007 2019-4-9 15:29:28
stata做频率图 attach_img Stata专版 柒染泡泡 2014-12-5 4 29779 qchangcheng 2017-8-14 19:48:03
[Research Paper]Spatiotemporal hurdle models for zero-inflated count data attachment winbugs及其他软件专版 Nicolle 2014-6-26 4 2561 shaohuanhuan123 2015-12-10 10:04:29
求stata 中的count命令案例 Stata专版 姜儿 2014-11-16 2 36142 SpencerMeng 2015-1-8 10:24:23
悬赏 Specification and testing of some modified count data models - [!reward_solved!] attachment 求助成功区 magicsun 2014-11-20 1 901 宝木0413 2014-11-20 14:14:53
转帖【sas sql proc】where or having SAS专版 lizhewenbei 2014-11-15 0 1470 lizhewenbei 2014-11-15 19:43:26
悬赏 Estimating count data models with endogenou - [!reward_solved!] attachment 求助成功区 magicsun 2014-11-11 4 1404 nathan9800 2014-11-13 20:07:15
Access中模块的程序怎么转到SQL中实现 SQL及关系型数据库数据分析 忘川880825 2014-11-5 0 2167 忘川880825 2014-11-5 18:10:52
悬赏 Taylor & Francis Bivariate time series modelling of financial count data - [!reward_solved!] attachment 求助成功区 352693585 2014-10-31 1 909 giresse 2014-10-31 14:30:11
悬赏 Taylor & Francis The impact of missing data in a generalized integer-valued - [!reward_solved!] attachment 求助成功区 352693585 2014-10-31 1 652 science21 2014-10-31 01:14:28
想读一些英文txt文章的word count SAS专版 Milliaamy 2014-10-20 0 1155 Milliaamy 2014-10-20 23:06:59
悬赏 wiley Information initiatives of mobile retailers - [!reward_solved!] attachment 求助成功区 352693585 2014-9-7 1 911 giresse 2014-9-7 15:34:29
悬赏 scitation.aip.org Estimation of count data using mixed Poisson - [!reward_solved!] attachment 求助成功区 352693585 2014-8-15 1 1290 xllbl 2014-8-15 14:30:03
悬赏 Response to hepatitis B vaccination in a primary care setting: influence of HIV - [!reward_solved!] attachment 求助成功区 怪峩、冭天眞 2014-8-6 1 1097 liuningzheng 2014-8-7 09:47:48
SAS programming question SAS专版 aj_goodnews 2014-7-31 4 1290 learsaas 2014-8-1 21:34:22
[转帖]经济学与管理学的根本区别 学术道德监督 zhaojianji 2007-12-26 2 6472 alienu 2014-7-16 11:23:59
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