From: Gabor Grothendieck <ggrothendieck_at_gmail.com>

Date: Sat 25 Feb 2006 - 10:57:19 EST

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Sat Feb 25 11:06:33 2006

Date: Sat 25 Feb 2006 - 10:57:19 EST

And also, read 1. R News 4/1 help desk article on dates and times, 2. the zoo vignette:

library(zoo)

vignette("zoo")

and 3. re-read the Introduction to R manual:

http://cran.r-project.org/doc/manuals/R-intro.pdf

On 2/24/06, Gabor Grothendieck <ggrothendieck@gmail.com> wrote:

*> See:
**>
*

> library(zoo)

*> ?read.zoo
**>
**>
**> On 2/24/06, Sangeetha Swaminathan <sangi@itc.utk.edu> wrote:
**> > Hello,
**> >
**> > Thank you! It worked!! Now I have another query; I have about 300 data
**> > entries, and I dont think it would be possible to quote everything under
**> > tt<-c("") or x<-c(). Is there any way to plot the graph, without having to
**> > manually quote all the data items in the array?
**> >
**> > Thank you.
**> >
**> > Sangeetha
**> >
**> > >===== Original Message From "Gabor Grothendieck" <ggrothendieck@gmail.com>
**> > =====
**> > >Try this:
**> > >
**> > ># test data
**> > >tt <- c("23:05:02", "23:10:02", "23:15:03", "23:20:03", "23:25:03",
**> > >"23:30:03", "23:35:03", "23:40:03", "23:45:04", "23:50:04", "23:55:03",
**> > >"23:55:03")
**> > >x <- c(0.575764, 0.738379, 0.567414, 0.663436, 0.599834, 0.679571,
**> > >0.88141, 0.868848, 0.969271, 0.878968, 0.990972, 0.990972)
**> > >
**> > >library(zoo)
**> > >library(chron)
**> > >z <- zoo(x, times(tt))
**> > >plot(z)
**> > >
**> > >Read the R Help Desk article in R News 4/1 about dates and times
**> > >and also read the chron article in its references.
**> > >
**> > >Also read the zoo vignette which you can access like this:
**> > >
**> > >library(zoo)
**> > >vignette("zoo")
**> > >
**> > >and also read ?axis in case you want to customize the axes.
**> > >
**> > >
**> > >On 2/20/06, Sangeetha Swaminathan <sangi@itc.utk.edu> wrote:
**> > >> Hello,
**> > >>
**> > >> I just started using the GNU R. I am having trouble plotting my data. I
**> > am
**> > >> tryin to plot the following data:
**> > >>
**> > >> TIMESTAMP LOGIN-TIME
**> > >> (hh:mm:ss) (s)
**> > >>
**> > >> 23:55:03 0.990972
**> > >> 23:55:03 0.990972
**> > >> 23:50:04 0.878968
**> > >> 23:45:04 0.969271
**> > >> 23:40:03 0.868848
**> > >> 23:35:03 0.88141
**> > >> 23:30:03 0.679571
**> > >> 23:25:03 0.599834
**> > >> 23:20:03 0.663436
**> > >> 23:15:03 0.567414
**> > >> 23:10:02 0.738379
**> > >> 23:05:02 0.575764
**> > >>
**> > >> with TIMESTAMP on the x-axis. The plot() function assumes the x-axis as the
**> > >> total number of events, and plots the desired graph. But I want the
**> > TIMESTAMP
**> > >> on the x-axis. If I try to change the x-axis, the y-axis gets modified too,
**> > >> and all I get is just a "dot" as a plot.
**> > >> Can someone tell me how I can make R plot my graph, with TIMESTAMP as my
**> > >> x-axis and LOGIN_TIME as my y-axis?
**> > >>
**> > >> Thank you.
**> > >>
**> > >> Sangeetha
**> > >>
**> > >> -- Sangeetha Swaminathan
**> > >> Graduate Assistant
**> > >> Innovative Technology Center (ITC)
**> > >> 2444 Dunford Hall
**> > >> The University of Tennessee
**> > >> Knoxville, TN 37996
**> > >> Phone [O]:(865) 974-9672
**> > >> [R]:(865) 946-4340
**> > >>
**> > >> ______________________________________________
**> > >> R-help@stat.math.ethz.ch mailing list
**> > >> https://stat.ethz.ch/mailman/listinfo/r-help
**> > >> PLEASE do read the posting guide!
**> > http://www.R-project.org/posting-guide.html
**> > >>
**> >
**> > -- Sangeetha Swaminathan
**> > Graduate Assistant
**> > Innovative Technology Center (ITC)
**> > 2444 Dunford Hall
**> > The University of Tennessee
**> > Knoxville, TN 37996
**> > Phone [O]:(865) 974-9672
**> > [R]:(865) 946-4340
**> >
**> >
**>
*

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Sat Feb 25 11:06:33 2006

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