Re: [R] question about formatting Dates

2012-06-27 Thread arun
; "2011-01-04" "2011-01-04" > as.Date(as.character(dat1),"%m/%d/$Y") [1] NA NA NA A.K. - Original Message - From: Erin Hodgess To: R help Cc: Sent: Tuesday, June 26, 2012 11:54 PM Subject: [R] question about formatting Dates Dear R People: I have date

Re: [R] question about formatting Dates

2012-06-27 Thread David L Carlson
1/06/2011" [6] "01/07/2011" "01/08/2011" "01/09/2011" "01/10/2011" -- David L Carlson Associate Professor of Anthropology Texas A&M University College Station, TX 77843-4352 > -Original Message--

Re: [R] question about formatting Dates

2012-06-27 Thread Rui Barradas
Hello, I'm afraid you're wrong, this has nothing to do with leading zeros. Just see: x <- c("1/2/2011", "1/4/2011", "1/4/2011", "1/4/2011", "1/6/2011", "1/7/2011", "1/8/2011", "1/9/2011", "1/10/2011") as.Date(x, "%m/%d/%Y") y <- factor(x) str(y) as.Date(as.character(y), "%m/%d

Re: [R] question about formatting Dates

2012-06-26 Thread Patrick Connolly
On Tue, 26-Jun-2012 at 10:54PM -0500, Erin Hodgess wrote: |> Dear R People: |> |> I have dates as factors in the following: |> |> > poudel.df$DATE |> [1] 1/2/2011 1/4/2011 1/4/2011 1/4/2011 1/6/2011 1/7/2011 1/8/2011 |> [8] 1/9/2011 1/10/2011 |> Levels: 1/10/2011 1/2/2011 1/4/2011 1/6/201

Re: [R] question about formatting Dates

2012-06-26 Thread R. Michael Weylandt
On Tue, Jun 26, 2012 at 10:54 PM, Erin Hodgess wrote: > Dear R People: > > I have dates as factors in the following: > >> poudel.df$DATE > [1] 1/2/2011  1/4/2011  1/4/2011  1/4/2011  1/6/2011  1/7/2011  1/8/2011 > [8] 1/9/2011  1/10/2011 > Levels: 1/10/2011 1/2/2011 1/4/2011 1/6/2011 1/7/2011 1/8/

[R] question about formatting Dates

2012-06-26 Thread Erin Hodgess
Dear R People: I have dates as factors in the following: > poudel.df$DATE [1] 1/2/2011 1/4/2011 1/4/2011 1/4/2011 1/6/2011 1/7/2011 1/8/2011 [8] 1/9/2011 1/10/2011 Levels: 1/10/2011 1/2/2011 1/4/2011 1/6/2011 1/7/2011 1/8/2011 1/9/2011 > I want them to be "regular" dates which can be sort