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STATA命令求助:有条件的计算unique value
1 个回复 - 680 次查看
请问有一组面板数据,如何分组计算unique value呢?比如说2010-2020年的不同行业的企业的破产数量,企业ID,破产变量B ( B=1(破产),B=0(持续经营)),行业Industry(以数字代替不同行业,1,2,3,..., n)
如 ...
2023-3-14 23:35 - Josh15 - Stata专版
stata安装unique命令报错r(612),请问应该怎么解决呢
3 个回复 - 4651 次查看
stata 16.0
采用ssc install unique 安装unique命令后报错r(612),如下:
ssc install unique
unexpected end of file
http://fmwww.bc.edu/repec/bocode/u/ either
1) is not a valid URL, or
2) could ...
2021-2-12 09:32 - MaxineWang - Stata专版
R制作小提琴图时报错'breaks' are not unique
0 个回复 - 3050 次查看
R提示
> for(i in 1:ncol(rt)){
+ normalData=rt[1:normal,i]
+ tumorData=rt[(normal+1):(normal+tumor),i]
+ vioplot(normalData,at=3*(i-1),lty=1,add = T,col = 'blue')
+ vioplot(tumorData,at= ...
2019-11-5 01:14 - 学R的胖胖 - R语言论坛
You need the unique command.
8 个回复 - 3773 次查看
今天下载了一个do.file,执行命令时Stata提示如下
You need the unique command. You can obtain it by typing "findit unique" in Stata.
请问大家这是什么原因?
2014-2-24 10:19 - tryee - Stata专版
Uniqueness of medical data mining.
0 个回复 - 501 次查看
摘要:This article addresses the special features of data mining with medical data. Researchers in other fields may not be aware of the particular constraints an...http://europepmc.org/abstract/MED/12 ...
2018-2-5 14:00 - AIworld - 人工智能论文版
Uniqueness of medical data mining
0 个回复 - 441 次查看
摘要:Abstract This article addresses the special features of data mining with medical data. Researchers in other fields may not be aware of the particular constraints and difficulties of the privacy- ...
2018-1-19 22:30 - AIworld - 人工智能论文版
Uniquely Cycle-Saturated Graphs
6 个回复 - 591 次查看
【作者(必填)】Paul S. Wenger, Douglas B. West
【文题(必填)】
Uniquely Cycle-Saturated Graphs
【年份(必填)】2017
【全文链接或数据库名称(选填)】http://onlinelibrary.wiley.com/doi/10.1002/jgt.220 ...
2017-9-28 14:11 - lzguo99 - 求助成功区
Uniquely Tree-saturated Graphs
4 个回复 - 536 次查看
【作者(必填)】Leah Wrenn Berman, Glenn G. Chappell, Jill R. Faudree, John Gimbel, Chris Hartman
【文题(必填)】
Uniquely Tree-saturated Graphs
【年份(必填)】2016
【全文链接或数据库名称(选填)】h ...
2017-9-16 00:48 - lzguo99 - 求助成功区
求助,关于数据合并的not unique问题
4 个回复 - 7872 次查看
<p>我是这样做的</p><p>use file1, clear</p><p>sort ID</p><p>save file1, replace</p><p>use file2, clear</p><p>sort ID</p><p>merge ID using file ...
2008-10-12 11:25 - iloneonone - Stata专版
Uniquely Cycle-Saturated Graphs
1 个回复 - 526 次查看
【作者(必填)】Paul S. Wenger, Douglas B. West
【文题(必填)】
Uniquely Cycle-Saturated Graphs
【年份(必填)】2016
【全文链接或数据库名称(选填)】http://onlinelibrary.wiley.com/doi/10.1002/jgt.220 ...
2016-5-15 16:19 - lzguo99 - 文献求助专区
1000币求书 Valuing the Unique
0 个回复 - 1263 次查看
【作者(必填)】by Lucien Karpik (Author), Nora Scott (Translator)
【文题(必填)】Valuing the
Unique: The Economics of Singularities
【年份(必填)】2010
【全文链接或数据库名称(选填)】http://press ...
2016-1-9 04:53 - rickycy - 文献求助专区
Uniquely Tree-saturated Graphs
1 个回复 - 777 次查看
【作者(必填)】
[*] Leah Wrenn Berman,
[*] Glenn G. Chappell,
[*] Jill R. Faudree,
[*] John Gimbel,
[*] Chris Hartman
【文题(必填)】
Uniquely Tree-saturated Graphs
【年份(必 ...
2015-6-11 07:48 - lzguo99 - 求助成功区