[R] date conversation

arun smartpink111 at yahoo.com
Mon Jul 23 22:44:58 CEST 2012


HI,

You can try,
library(zoo)
c2<-"2009/10"
 as.Date(as.yearmon(c2,"%Y/%m"))
[1] "2009-10-01"

str(c3)
 Date[1:1], format: "2009-10-01"

A.K.



----- Original Message -----
From: paladini <paladini at beuth-hochschule.de>
To: r-help at r-project.org
Cc: 
Sent: Monday, July 23, 2012 9:05 AM
Subject: [R] date conversation

Hello,
when I convert a factor like this  a=01.10.2009
into a date using b=strptime(a, format="%d. %m. %Y").
It works very well.
But when I try to convert c = 2009/10 into a date using
d=strptime(c, format="%Y/%m")
it doesnt work at all. I get d=NA.
What did I do wrong?
Thank you very much for your help!

best regards


Claudia

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