结果:找到“Interchange”相关内容22个,排序为按回复时间降序,搜索更多相关帖子请点击“高级”
误差项是interchangeable是什么意思?
1 个回复 - 1201 次查看
有这么一段话,没看懂,求高手指点
In a regression, a research think of the errors as interchangeable across observations; different patterns of realized errors are equally likely to occur if the reali ...
2013-10-23 02:08 - 区域经济爱好者 - Stata专版
如何interchange数据中一部分的obs和vars
8 个回复 - 4217 次查看
数据是从NBER下的一个有关patent所属公司和其他信息的dta,大体结构如下
pdpass pdpco1 source begyr1 gvkey1 endyr1 pdpco2 begyr2 gvkey2 endyr2
32040490 65907 m2006 1995 65907 2001 135484 2002 135484 20 ...
2012-3-7 16:54 - che_nax - Stata专版
Improve gas interchangeability for LNG terminals
4 个回复 - 907 次查看
Improve gas interchangeability for LNG terminals 01.05.2008 | Shah, K., Aker Solutions US, INC., Houston, Texas Quality issues on imported natural gas will require more processing at receiving sites ...
2011-12-2 16:31 - 真龙121 - 求助成功区