[R] Hourly data with zoo
ggrothendieck at gmail.com
Mon Sep 12 12:48:17 CEST 2011
On Mon, Sep 12, 2011 at 1:58 AM, steven mosher <moshersteven at gmail.com> wrote:
> I have date data as a numeric and hourly data in 0 to 2300 hours in a dataframe.
> d <- rep(20110101,24)
> h <- seq(from = 0, to = 2300, by = 100)
> df <- data.frame(LST_DATE = d, LST_TIME = h, data = rnorm(24, 0, 1))
> S <- chron(dates. = as.character(df$LST_DATE), times. =
> paste(as.character(df$LST_TIME/100), ":0:0", sep = ""),
> format = c(dates = "Ymd", times = "h:m:s"))
> X <- zoo(df$data, order.by = S)
> And I want to create a regular zoo series, The above works but its
> pretty ugly. Is there a more elegant way to do this.
You probably want to create a zooreg object:
zr <- zooreg(rnorm(24), as.chron("2011-01-01"), frequency = 24)
although if you really do want a zoo object that is not a zooreg
object then you can do it like this:
z <- as.zoo(zr)
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