[R] Changing X axis of ggplot

[Aren Cambre]

It's below. And I meant offense_time, not offense_hour.

> dput(dallas[1:40, "offense_time", drop = FALSE])
structure(list(offense_time = structure(c(0.389583333333333,
0.336111111111111, 0.427083333333333, 0.409722222222222, 0.4375,
0.648611111111111, 0.471527777777778, 0.561111111111111, 0.0111111111111111,
0.679166666666667, 0.572916666666667, 0.847222222222222, 0.548611111111111,
0.538194444444444, 0.702083333333333, 0.03125, 0.895833333333333,
0.826388888888889, 0.5, 0.114583333333333, 0.755555555555556,
0.84375, 0.278472222222222, 0.631944444444444, 0.545138888888889,
0.596527777777778, 0.642361111111111, 0.540277777777778, 0.71875,
0.861111111111111, 0.673611111111111, 0.381944444444444, 0.465277777777778,
0.697916666666667, 0.645833333333333, 0.916666666666667, 0.732638888888889,
0.611111111111111, 0.586805555555556, 0.59375), format = "h:m:s",
class = "times")), .Names = "offense_time", row.names = c("1",
"2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13",
"14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24",
"25", "26", "27", "28", "29", "30", "31", "32", "33", "34", "35",
"36", "37", "38", "39", "40"), class = "data.frame")

On Tue, Jan 3, 2012 at 12:13 AM, Joshua Wiley <jwiley.psych at gmail.com> wrote:
> Hi Aren,
>
> Could you perhaps send us the output of:
>
> dput(dallas[1:40, "offense_hour", drop = FALSE])
>
> I believe your problem, but getting it to work in ggplot2 will be
> easiest working with your actual data (or a bit of it anyway).
>
> for ggplot2 specific questions, you might also checkout:
> groups.google.com/group/ggplot2
>
> a lot of very clever ggplot2ers there (including the author much more
> than he is around Rhelp).
>
> Cheers,
>
> Josh
>
> On Mon, Jan 2, 2012 at 7:34 PM, Aren Cambre <aren at arencambre.com> wrote:
>> Thanks to Joshua Wiley for turning me on to ggplot2.
>>
>> I am making a plot using this:
>> p <- ggplot(dallas, aes(x = offense_hour)) + geom_bar() + coord_polar()
>>
>> Dallas is a data frame, and offense_hour is a column with chron
>> objects from the chron library. In this case, the chron object was
>> created with the times function. It is only a time (H:M:S) with no
>> date attached.
>>
>> The plot shows up fine, but the X axis labels are 0.0 through 1.0. How
>> do I convert this to 0:00 through 23:59 (or whatever may be
>> appropriate given the breaks)?
>>
>> My searches lead me to scale_x_discrete, but I am not clear if that's
>> even the right function.
>>
>> Aren
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>
>
>
> --
> Joshua Wiley
> Ph.D. Student, Health Psychology
> Programmer Analyst II, Statistical Consulting Group
> University of California, Los Angeles
> https://joshuawiley.com/