结果:找到“cif”相关内容897个,排序为按回复时间降序,搜索更多相关帖子请点击“高级”
【Asian Pacific Economic Literature】
1 个回复 - 1015 次查看
【作者(必填)】Jie Deng PhD[/backcolor],Jingjing Yang[/backcolor],
【文题(必填)】The effect of corporate real estate ownership on R&D innovation: credit relief vs. resource replacement in China
【年 ...
2021-10-29 11:31 - voa78 - 求助成功区
Pacific Journal of Optimization
0 个回复 - 470 次查看
【作者(必填)】Lu Fang, Li Shengjie*
【文题(必填)】Convexificatorsand Strong Karush-Kuhn-Tucker Conditions for Nonsmooth MultiobjectiveOptimization Problems
【年份(必填)】2016, 12(4):699-715
【 ...
2021-10-26 23:00 - yang2009jing - 文献求助专区
stata12.0出现了too many variables specified怎么解决
6 个回复 - 32109 次查看
duplicates drop stock year,force
tsset stock year
gen dtcsp=D.csp_w
gen sqcsp=L.csp_w
gen xqcsp=F.csp_w
gen dttc=D.tc_w
gen dtsize=D.size_w
gen dtlev=D.lev_w
gen csp_state=csp_w*ownership
ge ...
2014-10-27 19:43 - 雪姬之舞 - Stata专版