Re: [R] Time and Date formatting

2013-04-23 Thread Jeff Newmiller
a) In some analyses, date/time values are only needed to identify data records, in which case a simple paste is enough. b) If you ARE going to need to to calculate or plot date/time and choose to use POSIXt types to represent it, make a habit of always setting your "local" (local to the compute

Re: [R] Time and Date formatting

2013-04-23 Thread Ayyappa Chaturvedula
That works for me and thanks for the help. On Apr 23, 2013, at 2:59 PM, Rui Barradas wrote: > Hello, > > Forgot to add strptime, like you had noted. > > strptime(paste(DATE, TIME), format = "%d/%m/%Y %H:%M") > > > Rui Barradas > > Em 23-04-2013 19:54, Rui Barradas escreveu: >> Hello, >> >

Re: [R] Time and Date formatting

2013-04-23 Thread Rui Barradas
Hello, Forgot to add strptime, like you had noted. strptime(paste(DATE, TIME), format = "%d/%m/%Y %H:%M") Rui Barradas Em 23-04-2013 19:54, Rui Barradas escreveu: Hello, See if any of the following will do. DATE <- "14/07/2010" TIME <- "20:21" paste(DATE, TIME) as.POSIXct(paste(DATE, TIM

Re: [R] Time and Date formatting

2013-04-23 Thread Rui Barradas
Hello, See if any of the following will do. DATE <- "14/07/2010" TIME <- "20:21" paste(DATE, TIME) as.POSIXct(paste(DATE, TIME), format = "%d/%m/%Y %H:%M") Hope this helps, Rui Barradas Em 23-04-2013 19:46, Ayyappa Chaturvedula escreveu: Dear Group, I have a problem with time date forma

[R] Time and Date formatting

2013-04-23 Thread Ayyappa Chaturvedula
Dear Group, I have a problem with time date formatting. I have Date and Time in different columns in a .csv file and want to have a column with Date and Time together. I could format the date into the right mode using strptime and as.Date functions. I am not able to do that with TIME column. I