[R] data frame manipulation and regex

2010-04-28 Thread arnaud Gaboury
Dear group, Here is my data.frame : avprix - structure(list(DESCRIPTION = c(CORN Jul/10, CORN May/10, ROBUSTA COFFEE (10) Jul/10, SOYBEANS Jul/10, SPCL HIGH GRADE ZINC USD Jul/10, STANDARD LEAD USD Jul/10), prix = c(-1.5, -1082, 11084, 1983.5, -2464, -118), quantity = c(0, -3, 8, 2, -1, 0)),

Re: [R] data frame manipulation and regex

2010-04-28 Thread David Winsemius
On Apr 28, 2010, at 5:14 AM, arnaud Gaboury wrote: Dear group, Here is my data.frame : avprix - structure(list(DESCRIPTION = c(CORN Jul/10, CORN May/10, ROBUSTA COFFEE (10) Jul/10, SOYBEANS Jul/10, SPCL HIGH GRADE ZINC USD Jul/10, STANDARD LEAD USD Jul/10), prix = c(-1.5, -1082, 11084,

Re: [R] data frame manipulation and regex

2010-04-28 Thread arnaud Gaboury
...@comcast.net] Sent: Wednesday, April 28, 2010 2:25 PM To: arnaud Gaboury Cc: r-help@r-project.org Subject: Re: [R] data frame manipulation and regex On Apr 28, 2010, at 5:14 AM, arnaud Gaboury wrote: Dear group, Here is my data.frame : avprix - structure(list(DESCRIPTION = c(CORN Jul

Re: [R] data frame manipulation and regex

2010-04-28 Thread Henrique Dallazuanna
Gaboury Mobile: +41 79 392 79 56 BBM: 255B488F *** -Original Message- From: David Winsemius [mailto:dwinsem...@comcast.net] Sent: Wednesday, April 28, 2010 2:25 PM To: arnaud Gaboury Cc: r-help@r-project.org Subject: Re: [R] data frame manipulation

Re: [R] data frame manipulation and regex

2010-04-28 Thread David Winsemius
56 BBM: 255B488F *** -Original Message- From: David Winsemius [mailto:dwinsem...@comcast.net] Sent: Wednesday, April 28, 2010 2:25 PM To: arnaud Gaboury Cc: r-help@r-project.org Subject: Re: [R] data frame manipulation and regex On Apr 28, 2010, at 5:14 AM, arnaud