try this example:
> x.1 <- strptime("6/17/03",'%m/%d/%y')
> x.1
[1] "2003-06-17"
> plot(0:250, xaxt='n')
> dates <- x.1 + c(0,50,100,150,200,250) * 86400 # 'dates' is in seconds,
so add the appropriate number of days
> dates
[1] "2003-06-17 00:00:00 EDT" "2003-08-06 00:00:00 EDT" "2003-09-25
00:00:00 EDT"
[4] "2003-11-13 23:00:00 EST" "2004-01-02 23:00:00 EST" "2004-02-21
23:00:00 EST"
> axis(1, at=c(0,50,100,150,200,250), labels=format(dates,"%m/%d/%y")) #
format the output
>
Jim
__________________________________________________________
James Holtman "What is the problem you are trying to solve?"
Executive Technical Consultant -- Convergys Labs
[EMAIL PROTECTED]
+1 (513) 723-2929
"Bernard L. Dillard"
<[EMAIL PROTECTED]> To:
[email protected]
Sent by: cc:
[EMAIL PROTECTED] Subject: [R] Dateticks
ath.ethz.ch
06/14/2005 12:27
Hello. I am having the worst time converting x-axis date ticks to real
dates. I have tried several suggestions in online help tips and books to
no avail.
For example, the x-axis has 0, 50, 100, etc, and I want it to have
"6/17/03", "8/6/03" etc. See attached (sample).
Can anybody help me with this.
Here's my code:
ts.plot(date.attackmode.table[,1], type="l", col="blue", lty=2,ylab="IED
Attacks", lwd=2,xlab="Attack Dates",main="Daily Summary of Attack
Mode")
grid()
Thanks for your help if possible.
(See attached file: sample.pdf)
______________________________________________
[email protected] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide!
http://www.R-project.org/posting-guide.html
sample.pdf
Description: Adobe PDF document
______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
