Hello List,
this should be simple, but cannot figure it out. I am trying to subset a
data.frame like this:
> data4
users time
1 user5 2009-12-01 14:09:58
2 user1 2009-12-01 14:40:16
3 user8 2009-12-04 08:18:37
4 user6 2009-12-04 08:18:37
5 user83 2009-12-04 08:18:37
6 user82 2009-12-04 08:18:37
7 user31 2009-12-04 08:18:37
8 user85 2009-12-04 08:18:37
9 user33 2009-12-04 08:18:37
10 user2 2010-01-05 07:18:36
I would like to subset it and retain, let's say, only the data with time <
'2010-01-05 07:18:36', but I have no idea about the sintax to do that.
is something like this close to the correct way:
active<-data4['time'<= as.POSIXct("2010-01-05 07:18:36", origin="1970-01-01
00:00:00-00")]
thanks in advance for any help.
best regards,
Simone Gabbriellini
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
