The problem is in the intersect function that does x = as.vector(x) and
therefore transforms date vector into a numeric .
Try to:
d1 = as.character(data1) ; d2 = as.character(data2)
d = intersect(d1, d2)
data = as.Date(d)
A.
Tom La Bone wrote:
I have two collections of dates and I want to fig
you want:
ans <- intersect(data1,data2)
class(ans) <- c("POSIXt","POSIXct")
I personally think intersect should preserve the class of the object
(if both args have the same class), but I think r-core has a different
opinion.
-Whit
On Fri, Jan 23, 2009 at 9:02 AM, Tom La Bone wrote:
>
> I have
I have two collections of dates and I want to figure out what dates they have
in common. This is not giving me what I want (I don't know what it is giving
me). What is the best way to do this?
Tom
> data1
[1] "1948-02-24 EST" "1949-04-12 EST" "1950-05-29 EDT" "1951-05-21 EDT"
[5] "1951-12-20 E
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