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

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