Hello everyone, Say I have zoo object x.Date <- as.Date("2003-02-01") + c(1, 3, 7, 9, 14) - 1 x <- zoo(rnorm(5), x.Date) y <- zoo(rt(5, df=2), x.Date) z <- zoo(rt(5, df=5), x.Date) Data <- merge(x,y,z) What should I do to make the latest values appear at the top? Thank you for your help! Regards, Sergey