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The Great Crash
2 个回复 - 774 次查看
The Great Crash: How the Stock Market Crash of 1929 Plunged the World into Depression
English | ISBN: 0749909889 | 2010 | EPUB | 320 pages[/backcolor]
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2021-10-13 06:25 - zhangke0987 - 投资人(实务版)
对一个group by 的疑问?
9 个回复 - 1559 次查看
<br>
我有一张表mingdan3,内容如下:
uid time
------ ------------
a 2021-01-02
a 2021-01-01
a 2021-01-07
b 2021-01-02
b 2021-01-03
c 2021-01-02
c 2021-01-08
d 2021-01-03
d 2021-01-04
d 2021-01-09
现 ...
2022-6-25 15:12 - 18770378213 - SQL及关系型数据库数据分析
升级到stata17se版本,但是 xtdidregress 不能用
6 个回复 - 1764 次查看
我用 xtdidregress这个函数,如下面所示:xtdidregress (syn $ctrls) (treatPolicy), group(sid) time(year) vce(cluster sid )
invalid group specification
None of the groups defined by sid are treate ...
2022-2-15 18:13 - 啦啦啦lzx - Stata专版
41个stata作图举例,stata graph
1 个回复 - 917 次查看
41个stata作图举例,stata graph
41个stata作图举例,stata graph
41个stata作图举例,stata graph
41个stata作图举例,stata graph
41个stata作图举例,stata graph
41个stata作图举例,stata graph
41个stat ...
2022-2-13 18:31 - Mujahida - 现金交易版
matlab program for SVAR,MatlabSvar代码
1 个回复 - 978 次查看
matlab program for SVAR,MatlabSvar
matlab program for SVAR,MatlabSvar
matlab program for SVAR,MatlabSvar
matlab program for SVAR,MatlabSvar
matlab program for SVAR,MatlabSvar
matlab program f ...
2022-5-25 09:54 - lotus_sss - 现金交易版
ivregress应用
5 个回复 - 4467 次查看
采取自变量滞后一期作为工具变量,进行2sls检验,<br>
命令:ivregress 2sls y (x=l.x) 控制变量 i.year i.ind,r<br>
按照这个命令跑,<br>
stata报错显示:ind:string variables may not be used as ...
2022-3-22 15:18 - 越来越好@ - Stata专版