Re: [R] Time plots

2008-11-17 Thread Oliver Bandel
Lathouri, Maria imperial.ac.uk> writes: [...] > Until here it works fine, but I have the graph plotting only the points. What I want is to have a line (join > these points) so to have a time plot. I have tried different commands such as lines(DATE,pH) or with(DF, > lines(DATE,pH) but nothing work

Re: [R] Time plots

2008-11-17 Thread Gabor Grothendieck
Also if this is a time series you may wish to represent it as such to facilitate other computations as well. This assumes that the DATE column is first and the remaining columns are numeric: library(zoo) mypath <- "/whatever/myfile.csv" z <- read.zoo(mypath, sep = ",", header = TRUE, format = "%d

Re: [R] Time plots

2008-11-17 Thread Stefan Grosse
On Mon, 17 Nov 2008 15:30:14 - "Lathouri, Maria" <[EMAIL PROTECTED]> wrote: LM> I want to do some time plots and actually the dates are in the LM> format of dd/mm/. So first I input my dataframe in R in a csv LM> form. What I do is DF<-read.csv("C:/Documents and Settings/DF.csv") LM> DATE<

Re: [R] Time plots

2008-11-17 Thread jim holtman
try plot(DATE, pH, type='l') On Mon, Nov 17, 2008 at 10:30 AM, Lathouri, Maria <[EMAIL PROTECTED]> wrote: > Dear all, > I want to do some time plots and actually the dates are in the format of > dd/mm/. So first I input my dataframe in R in a csv form. What I do is > > DF<-read.csv("C:/Docum

[R] Time plots

2008-11-17 Thread Lathouri, Maria
Dear all, I want to do some time plots and actually the dates are in the format of dd/mm/. So first I input my dataframe in R in a csv form. What I do is DF<-read.csv("C:/Documents and Settings/DF.csv") DATE<-as.Date(DATE, "%d/%m/%Y") # to tell R that DATE column is indeed dates with(DF,