# NOT RUN { suppressWarnings(RNGversion("3.5.0")) set.seed(1) x.date <- as.Date(paste(2003, 2, c(1, 3, 7, 9, 14), sep = "-")) x <- zoo(rnorm(5), x.date) ## query index/time of a zoo object index(x) time(x) ## change class of index from Date to POSIXct ## relative to current time zone x index(x) <- as.POSIXct(format(time(x)),tz="") x ## replace index/time of a zoo object index(x) <- 1:5 x time(x) <- 6:10 x ## query start and end of a zoo object start(x) end(x) ## query index of a usual matrix xm <- matrix(rnorm(10), ncol = 2) index(xm) # }
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