结果:找到“EMPT”相关内容95个,排序为按回复时间降序,搜索更多相关帖子请点击“高级”
logit回归结果中,行业控制变量出现"empty"
10 个回复 - 7105 次查看
控制了年度和行业(2012-2015年,1-17个行业)进行logit回归,回归结果部分行业为什么出现“empty”??
命令是这样写的: logit dum_ICW dum_Depa1 dum_Same dum_Restruct Board Lnsize Growth ROA i.Year i.Indus ...
2018-2-18 15:23 - linyouke2010 - 悬赏大厅
Design for Six Sigma: caveat emptor
1 个回复 - 432 次查看
【作者(必填)】Gregory H. Watson
【文题(必填)】Design for Six Sigma: caveat emptor
【年份(必填)】2010
【全文链接或数据库名称(选填)】https://www.researchgate.net/publication/245507407_Design_for_ ...
2020-6-14 16:43 - victorbian - 求助成功区
reghdfe使用不同cluster造成empty sample的问题
3 个回复 - 3868 次查看
reghdfe y x ,absorb(party_id hs2_year) vce (cluster hs_2) //未控制公司FE
y 和 x均为“公司-产品-年份”维度的变量,控制公司与HS2行业-年份的固定效应,当我cluster hs_2时没问题,但是cluster到hs_6位的时候 ...
2019-4-14 11:16 - 龙宝宝 - SAS专版
R语言提示错误:attempt to apply non-function
1 个回复 - 2464 次查看
Q_t = array(NA, c(k, k, t0))
B_t = array(NA, c(k, k*nlag, t0))
pb = progress_bar$new(total= t0)
for (i in 1:t0) {
fit = var_model(x, configuration=configuration)
B_t[, ...
2022-4-16 19:33 - huapu1994 - 灌水吧
关于plm()出现 empty model 的问题
1 个回复 - 1275 次查看
出现这个情况:Error in plm.fit(data, model, effect, random.method, random.models, random.dfcor, :
empty model
请解释一下,这个问题。 不使用twoways可以正常运行,但是想问一下,为什么会出现这个问题 ...
2021-4-25 16:00 - lkkker80 - R语言论坛
R语言报错--Error: Attempted to create layer with no stat.
8 个回复 - 4230 次查看
library(ggplot2)
qplot(carat,x*y*z,data = diamonds)
qplot(carat,price,data = diamonds,shape = cut)
qplot(carat,price,data = diamonds,color = color)
qplot(carat,price,data = diamonds,alpha = I(1/10 ...
2018-3-6 22:07 - 天亮以后11 - 灌水吧
Stephen King《The Shawshank Redemption》(mobi、txt)
2 个回复 - 2428 次查看
Introduction:
How did a low-key prison movie which was considered a box-office flop on its original release become one of the most popular movies of all time? Mark Kermode traces the history ...
2017-3-5 21:58 - 低调的胡哥 - 经管书评
Attempted military coup unfolding in Turkey
2 个回复 - 1021 次查看
‘Read Econmic News Together’ Series
Attempted military coup unfolding in Turkey
Gunfire was heard and jets were seen flying in the Turkish capital of Ankara on Friday as Prime Minister Binali Yi ...
2016-7-16 05:09 - 晓七 - 外语学习
The Law of Tax-Exempt Organizations 11e
3 个回复 - 859 次查看
by Bruce R. Hopkins
The authoritative reference for nonprofit law, by leading expert Bruce R. Hopkins
The Law of Tax-Exempt Organizations 11th edition details the complex set of statutes, regulat ...
2016-2-1 20:54 - shuiyaoziliao - 管理科学
纯英语交流群empty your cup
1 个回复 - 5737 次查看
Empty your cup
纯英语交流群,汇集中外英语顶尖高手,全天式纯英语环境,秒杀国内任何垃圾英语群,会员群,没有我们做不到,只有你想不到,还在苦恼怎么学好英语吗?英语是用出来的,加入我们吧,每天都在进步,与 ...
2015-8-8 22:10 - maxwell723 - 外语学习
Europe’s Empty Fiscal Compact
1 个回复 - 1644 次查看
The driving force of Europe’s economic policy is the “European project” of political integration. That goal is reflected in the European Union’s current focus on creating a “fiscal compact,” whi ...
2012-2-28 21:02 - gongtianyu - 真实世界经济学(含财经时事)
Blue-Empty Chromatic Graphs
2 个回复 - 599 次查看
【作者(必填)】Gary Lorden
【文题(必填)】Blue-Empty Chromatic Graphs
【年份(必填)】1962
【全文链接或数据库名称(选填)】http://www.jstor.org/discover/10.2307/2312538?uid=3737800&uid=2134&uid=2&u ...
2013-11-16 22:27 - lzguo99 - 求助成功区
《肖申克的救赎》(The Shawshank Redemption)
1 个回复 - 63 次查看
http://v.baidu.com/kan/movie/?id=25997&url=http://so.tv.sohu.com/to?u=http%3A%2F%2Fmy.tv.sohu.com%2Fus%2F80799146%2F32132656.shtml&k=%u8096%u7533%u514b%u7684%u6551%u8d4e&vid=0
电影《肖申克的救 ...
2013-10-14 20:36 - fureely - 韦福雷-黑龙江科技大学经济学院