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Grouping together a time variable
2 messages · Abraham Mathew, R. Michael Weylandt
Perhaps cut.POSIXt (which is a generic so you can just call cut) depending on the unstated form of your time object. Michael
On Thu, Feb 9, 2012 at 12:15 PM, Abraham Mathew <abmathewks at gmail.com> wrote:
I have the following variable, time, which is a character variable and it's structured as follows.
head(as.character(dat$time), 30) [1] "00:00:01" "00:00:16" "00:00:24" "00:00:25" "00:00:25" "00:00:40" "00:01:50" "00:01:54" "00:02:33" "00:02:43" "00:03:22"
[12] "00:03:31" "00:03:41" "00:03:42" "00:03:43" "00:04:04" "00:05:09" "00:05:17" "00:05:19" "00:05:21" "00:05:22" "00:05:22" [23] "00:05:28" "00:05:44" "00:05:54" "00:06:54" "00:06:54" "00:07:10" "00:08:15" "00:08:26" What I am trying to do is group the data into one hour increment. So 5:01-6:00am, 6:01-7:00am, 7:01-8:00a, and so forth. However, I'm not sure if there's a simple route to do this in R or how to do it. Can anyone point me in the right direction? -- *Abraham Mathew Statistical Analyst www.amathew.com 720-648-0108 @abmathewks* ? ? ? ?[[alternative HTML version deleted]]
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