Thanks! it was really helpful.
soichi
2013/1/7 arun <smartpink...@yahoo.com>
> Hi,
> Try this:
> dat1<-read.table(text="1 2012-07-01 00:57:54 +0900 156
> 2 2012-07-01 01:07:41 +0900 587
> 3 2012-07-01 01:09:31 +0900 110
> 4 2012-07-01 01:18:42 +0900 551
> 5 2012-07-01 01:39:01 +0900 1219
> 6 2012-07-01 01:40:40 +0900
> 99",sep="",header=FALSE,stringsAsFactors=FALSE)
>
> dat2<-data.frame(date=paste(dat1[,2],dat1[,3],paste0("+",dat1[,4]),sep="
> "),Interval=dat1[,5])
> dat2$date<-as.POSIXct(dat2$date,"%Y-%m-%d %H:%M:%S")
> library(xts)
> dat3<-xts(dat2[,-1],order.by=dat2[,1])
> plot(dat3)
> A.K.
>
>
>
>
> ----- Original Message -----
> From: ishi soichi <soichi...@gmail.com>
> To: r-help <r-help@r-project.org>
> Cc:
> Sent: Monday, January 7, 2013 3:55 AM
> Subject: [R] plot x-axis DateTime NOT evenly spaced
>
> R-64 latest
>
> Hi. I am trying to plot a set of csv data, which looks like
>
> > head(interval)
> date inteval
> 1 2012-07-01 00:57:54 +0900 156
> 2 2012-07-01 01:07:41 +0900 587
> 3 2012-07-01 01:09:31 +0900 110
> 4 2012-07-01 01:18:42 +0900 551
> 5 2012-07-01 01:39:01 +0900 1219
> 6 2012-07-01 01:40:40 +0900 99
>
> as you can see, more than one event happens each day, and they are not
> evenly spaced. Obviously hours, minutes and seconds are important for the
> plot.
>
> I tried
>
> interval$date <- as.Date(interval$date, "%Y-%m-%d %H:%M:%S +0900")
>
> but this chops the time off.
>
> Could anyone show me how to plot data with x values as Date(or Time)
> objects?
>
> soichi
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained, reproducible code.
>
>
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