Re: [R] Problems with as.POSIXct

2011-09-22 Thread Prof Brian Ripley
What timezone is this? In America/Bogota there was no midnight that day, so the time would be invalid. The Olson database has # Colombia # Rule NAMEFROMTO TYPEIN ON AT SAVELETTER/S RuleCO 1992only- May 3 0:001:00S R

Re: [R] Problems with as.POSIXct

2011-09-22 Thread William Dunlap
p-boun...@r-project.org] On > Behalf Of KENNETH R > CABRERA > Sent: Thursday, September 22, 2011 8:59 AM > To: r-help@r-project.org > Cc: krcab...@gmail.com > Subject: [R] Problems with as.POSIXct > > Hi R users: > > This is a very strange problem: > > Why this instr

[R] Problems with as.POSIXct

2011-09-22 Thread KENNETH R CABRERA
Hi R users: This is a very strange problem: Why this instruction shows me NA?, and any other date shows me that error! as.POSIXct(strptime("1992-5-3",format="%Y-%m-%d")) This is my R version on windows 7. "R version 2.13.1 Patched (2011-08-25 r56794)" Thank you for your help. ___