[R] Time plots

jim holtman jholtman at gmail.com
Mon Nov 17 17:00:01 CET 2008


plot(DATE, pH, type='l')

On Mon, Nov 17, 2008 at 10:30 AM, Lathouri, Maria
<m.lathouri06 at imperial.ac.uk> wrote:
> Dear all,
> I want to do some time plots and actually the dates are in the format of dd/mm/yyyy. 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, plot(DATE,pH))
> 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 works.
> What can I do?
> Yours
> Lathouri Maria
>        [[alternative HTML version deleted]]
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Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?

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