08 2014 档案

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posted @ 2014-08-19 09:20 prepat 阅读(196) 评论(0) 推荐(0)
摘要:> which.max(apply(x[c("x1","x2","x3")], 1, sum))49> x$num[which.max(apply(x[c("x1","x2","x3")], 1, sum))][1] 2005138149> hist(x$x1)> plot(x$x1,x$x2)> ... 阅读全文
posted @ 2014-08-13 23:00 prepat 阅读(432) 评论(0) 推荐(0)
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(829) 评论(0) 推荐(0)