摘要: ##数据获取x1=round(runif(100,min=80,max=100))x2=round(rnorm(100,mean=80, sd=7))x3=round(rnorm(100,mean=80,sd=18))x3[which(x3>100)]=100num=seq(2005138101,l... 阅读全文
posted @ 2014-08-10 21:33 prepat 阅读(807) 评论(0) 推荐(0) 编辑