Re: [R] Time on x-axis

From: Sangeetha Swaminathan <sangi_at_itc.utk.edu>
Date: Sat 25 Feb 2006 - 07:49:01 EST


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
>>
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>>

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 08:46:59 2006

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