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求书:The LEAPS Strategist
0 个回复 - 794 次查看
The
LEAPS Strategist: 108 Proven Strategies for Increasing Investment and Trading ProfitsMichael C. Thomsett
ISBN: 978-1-59280-102-2
296 pages
July 2004
Description"A truly excellent stra ...
2017-7-10 17:01 - 13311011656 - 悬赏大厅
错误于library(leaps) : 不存在叫‘leaps’这个名字的程辑包
1 个回复 - 14033 次查看
安装了leaps数据包后之后> install.packages(pkgs='leaps')
package ‘leaps’ is available as a source package but not as a binary
警告信息:
package ‘leaps’ is not available (as a binary pac ...
2015-4-28 17:57 - 编号18 - R语言论坛
[求助] R语言中 leaps的问题
5 个回复 - 13393 次查看
各位高人,小弟刚开始用R, 我用leaps函数,总是报错错误于leaps.setup(x, y, wt = wt, nbest = nbest, nvmax = NCOL(x) + int, : 外接函数调用时不能有NA/NaN/Inf(arg5)但是我的数据里没有NA的,有什么 ...
2009-2-8 23:03 - je5168 - R语言论坛