[R] integers to POSIXct

From: paul sorenson <news01_at_metrak.com>
Date: Wed 04 Oct 2006 - 11:35:09 GMT


What is the recommended way to convert/coerce and integer to a POSIXct please?

d <- as.POSIXct(Sys.Date())
i <- as.integer(d)

as.POSIXct(i)
Error in as.POSIXct.default(i) : do not know how to convert 'i' to class "POSIXlt"

This appears to be the behaviour in 2.3.1 and 2.4.0 on windows XP.

I have tried searching on this and found as.Date.integer in package zoo which performs a similar function but wondered if there was something basic I was missing in the base distribution?

cheers



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