结果:找到“keep sas”相关内容6个,排序为按回复时间降序,搜索更多相关帖子请点击“高级
SAS training course notes: Effective Web Mining:Attracting and Keeping Valued Cy
7 个回复 - 4112 次查看 详细介绍了如何用SAS/EM进行分析,独家发布. Effective Web Mining:Attracting and Keeping Valued Cyber Consumers (632 pages) Course Notes of CustomerRelationship Management Training Using Data Min ...2007-5-23 05:40 - zhongqhc - 商业数据分析
关于sas中(keep=与keep用法总结 drop同理
8 个回复 - 34158 次查看keep=)应该用在括号内,而keep不需要()。(keep=)可用在data 和set还有过程中,而keep只可以用在过程中。同事keep没有(keep=)用效率,因为当(keep=)用在set中时,只读取需要保留的变量,而keep在过程使用时 ...2014-12-10 03:42 - 星落荒原 - SAS专版
Zhao Minghao:Regional plan must keep disaster in m
0 个回复 - 490 次查看 摘要: 原题为:Regional plan must keep disaster in mind 原载于:Global Times,04-29 Soon after the massive earthquake devastated Nepal, China quickly sent supplie ...2018-11-14 05:52 - 一带一路数据 - Forum
SAS语句中keep和retain的区别
4 个回复 - 13532 次查看 哪位亲可以告诉我一下SAS语句中keep和retain的区别啊?2013-12-3 11:08 - 梦梦的梦 - 数据分析与数据挖掘
一个关于rename和keep的SAS程序
3 个回复 - 4072 次查看 data d(rename=(x=xx)); set a(keep=x); if x=1 then m=10; run; 书上说rename和keep语句同时出现时,keep比rename先编译,我想请教大家,这段代码中rename=(x=xx)是否也是在第二行的keep=x后面编译?这么理解是 ...2012-3-12 09:49 - 水晶石斑鱼 - SAS专版