[R] Question about setting tick mark limits in Plot
spencer.graves at pdf.com
Wed Dec 29 22:54:23 CET 2004
How about the following:
p <- seq(0, 240, len=2198)
q. <- rep(1, len=2198)
plot(p,q., pch="|", yaxt="n", xaxt="n",
axis(1, seq(0, 240, 30))
Note: "q" is a system function, so I changed it to "q.".
hope this helps. spencer graves
Justin Rhodes wrote:
>I am having trouble getting the Plot function to set the tick marks the
>way I want, and I am not sure what I am doing wrong.
>Below is the code that I wrote, and I am not sure why it doesn't work.
>p is a vector of length 2198, containing numbers between 0 and 240. q
>is a vector of ones, the same length as p. I want the x-axis to have
>tick marks every 30 min and I want the last tick mark to be at 240 min.
>When I run the program it only plots 5 tick marks starting at 0 and
>ending at 200, though the data extend to 240 min. I am very confused.
>Thanks for any help. I really appreciate it. I have wasted too much
>time trying to figure this out on my own.
>plot(p,q, pch="|", yaxt="n", main=subject,xlab="Minutes", ylab="")
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