结果:找到“LRE”相关内容103个,排序为按回复时间降序,搜索更多相关帖子请点击“高级”
求助!请问为什么报错显示already preserved呢?
6 个回复 - 4728 次查看
请问在做逐年匹配did的时候一直报错,显示already preserved,是什么原因呢?可以怎么解决?程序如下:
reshape long gdp test road fin loan_balance invest,i(id)j(year)
xtset id year
gen lngdp=ln( gdp )
...
2020-6-9 00:36 - zhj_xzgl - Stata专版
soe_em_sh already defined这种问题如何解决?
2 个回复 - 2736 次查看
. *%%%%%%%%%%%%%%%%%%
.
. * data generation
.
. *%%%%%%%%%%%%%%%%%%
.
.
.
. gen soe_em_sh = soe_em/total_em
soe_em_sh already defined
r(110);
.
. gen va_pw = total_va/total_e ...
2012-10-28 20:24 - zhangtao - Stata专版
Anualreview文献一篇
1 个回复 - 253 次查看
【作者(必填)】Anzhela Knyazeva, Diana Knyazeva, and Lalitha Naveen
【文题(必填)】Diversity on Corporate Boards
【年份(必填)】Vol. 13:301-320 (Volume publication date November 2021)
【全文链接 ...
2022-11-23 22:28 - yyc0714 - 求助成功区
出现variable dongbu already defined问题怎么解决
2 个回复 - 6917 次查看
命令如下,请大佬看一下
cd C:\Users\86178\Desktop\新建文件夹
use data.dta,clear
**描述性统计
outreg2 using sum.doc, replace sum(log) title(Decriptive statistics)
twoway(scatter lngdp year )(qf ...
2020-12-26 15:37 - ciel32 - Stata专版
annualreviews文献一篇
3 个回复 - 1095 次查看
【作者(必填)】
Martin Summer
【文题(必填)】
[/backcolor]
Financial Contagion and Network Analysis
【年份(必填)】
2013
【全文链接或数据库名称(选填)】http://www.annualreviews.org/doi/abs/10. ...
2013-1-25 01:12 - waterup - 求助成功区
f11 already defined
3 个回复 - 6150 次查看
. reshape wide agri_income_crops- NFA_FA_PC ,i( householdID) j( NewID)
(note: j = 1 2 3)
f11 already defined
r(110);
求助大神,请问是为什么啊,为什么一直都already defined
2014-6-15 21:48 - flwmbj - Stata专版
Label already defined
5 个回复 - 10651 次查看
这两天做quantile regression+绘图的时候遇到这样的问题:
我的代码是这样的:
. set more off
. save tempcf, replace emptyok
file tempcf.dta saved
.
. forvalues q = 0.05(0.05)0.95 {
2. quietl ...
2014-11-25 17:42 - 天使键小黑 - Stata专版
DNV.Software.Sesam.Marine.V2013(DeepC,GeniE,Hydro,DSIMA,SIMO,RIFLREX等)
0 个回复 - 1612 次查看
DNV.Software.Sesam.Marine.V2013(DeepC,GeniE,Hydro,DSIMA,SIMO,RIF
LREX等)
DNV Software Sesam Marine,您可以直观模拟,测试和评估海洋作业提前离岸处理,显著降低风险。
可视化的三维操作和运行的能力多“假 ...
2016-2-1 13:19 - yybaiyun - 新手入门区
【求助】urlread问题
1 个回复 - 1130 次查看
我输入a=urlread('http://www.chinaclear.cn/zdjs/xmzkb/center_mzkb.shtml')
时,他会报错:
Index exceeds matrix dimensions
而且输入
a=urlread('http://www.chinaclear.cn/zdjs/xmzkb/center_mzkb.shtml,'g ...
2014-3-25 16:23 - xmt945 - MATLAB等数学软件专版
6 Reasons the iPhone 6 Has Already Lost
2 个回复 - 157 次查看
6 Reasons the iPhone 6 Has Already Lost
By Avram Piltch, LAPTOP Online Editorial Director 3/15/14
Source: http://news.yahoo.com/6-reasons-iphone-6-already-143118063.html
With Apple's next sma ...
2014-3-15 12:53 - reduce_fat - 外语学习
求annualreviews文献一篇
3 个回复 - 836 次查看
【作者(必填)】H Selye
【文题(必填)】The General-Adaptation-Syndrome
【年份(必填)】1951
【全文链接或数据库名称(选填)】http://www.annualreviews.org/doi/pdf/10.1146/annurev.me.02.020151.0015 ...
2012-9-26 08:51 - dicury - 求助成功区
求annualreviews文献一篇
4 个回复 - 782 次查看
【作者(必填)】A J Friedhoff, and J C Miller
【文题(必填)】Clinical Implications of Receptor Sensitivity Modification
【年份(必填)】1983
【全文链接或数据库名称(选填)】http://www.annualrevi ...
2012-9-20 19:37 - dicury - 求助成功区
London was tired already in place
1 个回复 - 1231 次查看
Aren't still have to explain a "white elephant". The word of the past is always a blur, vaguely remember that some fans Barcelona cruyff organization counter's new club owners, fighting in the XiWen u ...
2011-11-3 10:16 - fakeoakleys - 悬赏大厅