Re: [R] Sorting data.frame and again sorting within data.frame

2013-04-16 Thread Katherine Gobin
Dear Sir, Thanks a lot for your valuable input and guidance. Regards Katherine --- On Mon, 15/4/13, Jeff Newmiller jdnew...@dcn.davis.ca.us wrote: From: Jeff Newmiller jdnew...@dcn.davis.ca.us Subject: Re: [R] Sorting data.frame and again sorting within data.frame To: David Winsemius dwinsem

[R] Sorting data.frame and again sorting within data.frame

2013-04-15 Thread Katherine Gobin
Dear R forum, I have a data.frame as defied below - df = data.frame(names = c(C, A, A, B, C, B, A, B, C), dates = c(4/15/2013, 4/13/2013, 4/15/2013, 4/13/2013, 4/13/2013, 4/15/2013, 4/14/2013, 4/14/2013,4/14/2013 ),values = c(10, 31, 31, 17, 11, 34, 102, 47, 29)) df   names dates

Re: [R] Sorting data.frame and again sorting within data.frame

2013-04-15 Thread Jeff Newmiller
The examples in ?order show a method that could be applied if you avoid the decreasing argument and instead convert the Date to numeric for purposes of sorting. --- Jeff NewmillerThe .

Re: [R] Sorting data.frame and again sorting within data.frame

2013-04-15 Thread arun
/2013 11 A.K. - Original Message - From: Katherine Gobin katherine_go...@yahoo.com To: r-help@r-project.org Cc: Sent: Monday, April 15, 2013 2:01 AM Subject: [R] Sorting data.frame and again sorting within data.frame Dear R forum, I have a data.frame as defied below - df = data.frame

Re: [R] Sorting data.frame and again sorting within data.frame

2013-04-15 Thread arun
/2013 29 #5 C 4/13/2013 11 A.K. - Original Message - From: arun smartpink...@yahoo.com To: Katherine Gobin katherine_go...@yahoo.com Cc: R help r-help@r-project.org Sent: Monday, April 15, 2013 8:57 AM Subject: Re: [R] Sorting data.frame and again sorting within data.frame

Re: [R] Sorting data.frame and again sorting within data.frame

2013-04-15 Thread David Winsemius
On Apr 14, 2013, at 11:01 PM, Katherine Gobin wrote: Dear R forum, I have a data.frame as defied below - df = data.frame(names = c(C, A, A, B, C, B, A, B, C), dates = c(4/15/2013, 4/13/2013, 4/15/2013, 4/13/2013, 4/13/2013, 4/15/2013, 4/14/2013, 4/14/2013,4/14/2013 ),values = c(10,

Re: [R] Sorting data.frame and again sorting within data.frame

2013-04-15 Thread Jeff Newmiller
Yes, that would be because she converted to Date on the fly in her example, and so apparently did not need this reminder. --- Jeff NewmillerThe . . Go Live...

Re: [R] Sorting data.frame and again sorting within data.frame

2013-04-15 Thread David Winsemius
On Apr 15, 2013, at 9:33 AM, Jeff Newmiller wrote: Yes, that would be because she converted to Date on the fly in her example, and so apparently did not need this reminder. I apologize, Iobviously missed that. So the answer was simply to put a minus sign in front of the as.Date()