Re: [R] search and replace in a list of strings

2010-07-26 Thread Olivier Coupiac
It works, thanks a lot! Cheers -Original Message- From: jim holtman [mailto:jholt...@gmail.com] Sent: Monday, July 26, 2010 4:04 PM To: Olivier Coupiac Cc: r-help@r-project.org Subject: Re: [R] search and replace in a list of strings The most "usable" form is to convert it

Re: [R] search and replace in a list of strings

2010-07-26 Thread jim holtman
The most "usable" form is to convert it to POSIXct since most of the plotting routines know how to handle date/time. You could do: myDate <- as.POSIXct(paste(WD$date, WD$time), format='%m.%d.%Y %H:%M:%S') e.g., > as.POSIXct('07.07.2010 12:34:15', format='%m.%d.%Y %H:%M:%S') [1] "2010-07-07 12:3

[R] search and replace in a list of strings

2010-07-26 Thread Olivier Coupiac
Hi everybody, I have a 4*4 matrix WD of wind data of the following form: > WD $date [1] "07.07.2010" "07.07.2010" "07.07.2010" "07.07.2010" $time [1] "00:00:00" "00:10:00" "00:20:00" "00:30:00" $CH1Avg [1] 3.02 3.04 2.94 2.71 I would like to transform the date and time strings in usable number