结果:找到“三年 标准差”相关内容12个,排序为按回复时间降序,搜索更多相关帖子请点击“高级”
求过去连续三年的标准差
8 个回复 - 11700 次查看
sk year wyingli1sd3 wyingli2sd3 wyingli3sd3 wyingli4sd3 wyingli5sd3
2 2001 .02586199 .01278162 .7642676
2 2002 .01799955 .02586199 .02586199 -1.013288
2 2003 .02111623 .02379673 .01799955 .01799 ...
2018-4-12 10:53 - ssx520134 - Stata专版
如何求三年滚动标准差
3 个回复 - 2056 次查看
* Example generated by -dataex-. For more info, type help dataex
clear
input str12(Stkcd year) double Ins
"000059" "2012" .596965
"000059" "2013" .55596
"000059" "2014" .572662
"000059" "2015" ...
2022-5-9 21:34 - 思乐冰 - 新手入门区