Re: [R] about data format in R

2016-12-31 Thread lily li
t;> >> Department of Agronomy and Soil Science >> >> University of New England >> >> Armidale NSW 2351 >> >> Email: home: mac...@northnet.com.au >> >> >> >> -Original Message- >> >> From: R-help [mailto:r-help-boun...@r-

Re: [R] about data format in R

2016-12-31 Thread lily li
> >> University of New England > >> Armidale NSW 2351 > >> Email: home: mac...@northnet.com.au > >> > >> -Original Message- > >> From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of lily li > >> Sent: Saturd

Re: [R] about data format in R

2016-12-31 Thread David Winsemius
;> Email: home: mac...@northnet.com.au >> >> -Original Message- >> From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of lily li >> Sent: Saturday, 31 December 2016 05:38 >> To: Rui Barradas >> Cc: R mailing list >> Subject: Re:

Re: [R] about data format in R

2016-12-31 Thread lily li
ards > >> > >> Duncan > >> > >> Duncan Mackay > >> Department of Agronomy and Soil Science > >> University of New England > >> Armidale NSW 2351 > >> Email: home: mac...@northnet.com.au > >> > >> -Ori

Re: [R] about data format in R

2016-12-31 Thread Bert Gunter
ng so beware! >> >> >> Regards >> >> Duncan >> >> Duncan Mackay >> Department of Agronomy and Soil Science >> University of New England >> Armidale NSW 2351 >> Email: home: mac...@northnet.com.au >> >> -Original Message- >&

Re: [R] about data format in R

2016-12-31 Thread lily li
; > Duncan Mackay > Department of Agronomy and Soil Science > University of New England > Armidale NSW 2351 > Email: home: mac...@northnet.com.au > > -Original Message- > From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of lily li > Sent: Saturday, 31 December 2

Re: [R] about data format in R

2016-12-30 Thread Duncan Mackay
: Re: [R] about data format in R Hi Rui, Thanks for your reply. When I read in data using my code, the first column ranges from 0 to 1. So when I use the code you wrote, it shows the error message: Error in as.POSIXct.numeric(DF$Date, format = "%m/%d/%Y-%H:%M:%S") : 'origin' m

Re: [R] about data format in R

2016-12-30 Thread Rui Barradas
Hello, What I did was: DF <- read.table(text = " dateevap precipintercept 10/01/1995-00:00:00 1.5 20.2 10/01/1995-12:00:00 1.7 2.2 0.1 10/02/1995-00:00:00 1.5 1.8 0.3 ", header = TRUE, stringsAsF

Re: [R] about data format in R

2016-12-30 Thread Sarah Goslee
Probably you need to use file1 <- read.table('df', header=TRUE, stringsAsFactors=FALSE) str(file1) generally shows you all sorts of useful things about the file you have just imported into R. Sarah On Fri, Dec 30, 2016 at 1:37 PM, lily li wrote: > Hi Rui, > > Thanks for your reply. When I rea

Re: [R] about data format in R

2016-12-30 Thread lily li
Hi Rui, Thanks for your reply. When I read in data using my code, the first column ranges from 0 to 1. So when I use the code you wrote, it shows the error message: Error in as.POSIXct.numeric(DF$Date, format = "%m/%d/%Y-%H:%M:%S") : 'origin' must be supplied On Fri, Dec 30, 2016 at 11:23 AM, Ru

Re: [R] about data format in R

2016-12-30 Thread Rui Barradas
Hello, Have you tried df$date <- as.POSIXct(dat$date, format = "%m/%d/%Y-%H:%M:%S") ? Hope this helps, Rui Barradas Em 30-12-2016 17:40, lily li escreveu: Hi R users, I'm trying to read in data, and then plot time series data. However, I have some problems. In my dataset, the first column

[R] about data format in R

2016-12-30 Thread lily li
Hi R users, I'm trying to read in data, and then plot time series data. However, I have some problems. In my dataset, the first column represents time, and in the format: mm/dd/-hr:min:sec; For example, 10/01/1995-00:00:00, 10/01/1995-06:00:00, etc. df: dateevap