Re: [R] Convert Character to Date

2009-04-01 Thread Bill.Venables
: Venables, Bill (CMIS, Cleveland); quagmire54...@yahoo.com; r-help@r-project.org Subject: RE: [R] Convert Character to Date Just to correct/expand/clarify the parenthetical below (how often is there a chance to correct or clarify something posted by Bill Venables?), the ides are the 15th of March

Re: [R] Convert Character to Date

2009-04-01 Thread Greg Snow
801.408.8111 > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of bill.venab...@csiro.au > Sent: Tuesday, March 31, 2009 1:29 AM > To: quagmire54...@yahoo.com; r-help@r-project.org > Subject: Re: [R] Convert Charact

Re: [R] Convert Character to Date

2009-03-31 Thread Gabor Grothendieck
The yearmon class in the zoo package can represent year/months: > library(zoo) > ym <- as.yearmon("1990-January", "%Y-%B"); ym [1] "Jan 1990" > as.Date(ym) [1] "1990-01-01" On Tue, Mar 31, 2009 at 3:14 AM, Bob Roberts wrote: > Hello, >   I have a date in the format Year-Month Name (e.g. 1990-Ja

Re: [R] Convert Character to Date

2009-03-31 Thread Bill.Venables
s.csiro.au/bill.venables/ -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Bob Roberts Sent: Tuesday, 31 March 2009 5:14 PM To: r-help@r-project.org Subject: [R] Convert Character to Date Hello, I have a date in the format Y

[R] Convert Character to Date

2009-03-31 Thread Bob Roberts
Hello, I have a date in the format Year-Month Name (e.g. 1990-January) and R classes it as a character. I want to convert this character into a date format, but when I try as.Date(1990-January, "%Y-%B"), I get back NA. The function strptime also gives me NA back. Thanks. [[a