[R] Creating a scatterplot with sequential dates on x-axis?

Joshua Wiley jwiley.psych at gmail.com
Mon Aug 8 02:06:44 CEST 2011


Hi Caitlin,

Here are a couple of options for you:

plot(x = seq(from = as.Date("2011-05-01"), to = as.Date("2011-05-30"),
by = "day"),
     y = cumsum(runif(30)))

## using a bit of a shortcut
plot(x = as.Date("2011-05-01") + 0:29,
     y = cumsum(runif(30)))

Does that do what you want?

Josh

On Sun, Aug 7, 2011 at 5:00 PM, Caitlin <bioprogrammer at gmail.com> wrote:
> Hi all.
>
> I need to plot 30 values and I'd like the x-axis to have 30 dates values,
> e.g., 5/1/2011, 5/2/2011, etc. so an observer could see how the values
> correspond as the month progresses.
>
> Is there a convenient function I could use? I considered creating two
> vectors, x and y, then simply plotting those.
>
> Thanks,
>
> ~Caitlin
>
>        [[alternative HTML version deleted]]
>
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-- 
Joshua Wiley
Ph.D. Student, Health Psychology
Programmer Analyst II, ATS Statistical Consulting Group
University of California, Los Angeles
https://joshuawiley.com/



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