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(416) 评论(0) 推荐(0) 编辑