One last tiny problem: How do I add months to the scale? It currently just
has years
http://school.thomaslevine.org/mywall.png

Thanks again

Tom

On Sat, Jun 20, 2009 at 12:14 PM, Thomas Levine <thomas.levine@gmail.com>wrote:

> I wasn't really thinking that far ahead; plot tries to do something, so I
> figured I'd try that as I had little other idea of what to do.
>
> The plot(tt) actually does what I want, though; the scales are just very
> messed-up.
>
> Tom
>
>
> On Sat, Jun 20, 2009 at 11:58 AM, Gabor Grothendieck <
> ggrothendieck@gmail.com> wrote:
>
>> If that is the situation then plot(tt) in your post could not have been
>> what you wanted in any case, e.g. plot(10:20)
>>
>> On Sat, Jun 20, 2009 at 11:49 AM, Thomas Levine<thomas.levine@gmail.com>
>> wrote:
>> > This produces the x-axis is the index, and the y-axis is time. It has
>> all of
>> > the time information on the same axis, allowing me to plot cumulative
>> > occurrences by time (my original plan) if the times are sorted, which
>> they
>> > should be.
>> >
>> > I think I'll end up using some variant of plot(tt,seq_along(tt)),
>> putting
>> > the time axis along the bottom.
>> >
>> > Thanks
>> >
>> > Tom
>> >
>> > On Sat, Jun 20, 2009 at 11:15 AM, Gabor Grothendieck
>> > <ggrothendieck@gmail.com> wrote:
>> >>
>> >> Try this:
>> >>
>> >> plot(seq_along(tt), tt)
>> >>
>> >>
>> >> On Sat, Jun 20, 2009 at 10:55 AM, Thomas Levine<
>> thomas.levine@gmail.com>
>> >> wrote:
>> >> > Here's what I get
>> >> >> head(tt)
>> >> > [1] "2008-02-20 03:09:51 EST" "2008-02-20 12:12:57 EST"
>> >> > [3] "2008-03-05 09:11:28 EST" "2008-03-05 17:59:40 EST"
>> >> > [5] "2008-03-09 09:00:09 EDT" "2008-03-29 15:57:16 EDT"
>> >> >
>> >> > But I can't figure out how to plot this now. plot(tt) does not appear
>> to
>> >> > be
>> >> > univariate. I get the same plot with plot(as.Date(tt)), which would
>> make
>> >> > sense if time is used because of the range of the dates and the
>> >> > insignificance of the times of day.
>> >> >> head(as.Date(tt))
>> >> > [1] "2008-02-20" "2008-02-20" "2008-03-05" "2008-03-05" "2008-03-09"
>> >> > [6] "2008-03-29"
>> >> >
>> >> > plot(tt) and plot(as.Date(tt)) give something like year as a function
>> of
>> >> > the
>> >> > rest of the date. Here they are
>> >> >
>> >> >
>> >> > Here are the addresses
>> >> > http://thomaslevine.org/time/tt.png
>> >> > http://thomaslevine.org/time/as.Date.tt.png
>> >> >
>> >> > Tom
>> >> >
>> >> > On Fri, Jun 19, 2009 at 6:21 PM, Gabor Grothendieck
>> >> > <ggrothendieck@gmail.com> wrote:
>> >> >>
>> >> >> Try this:
>> >> >>
>> >> >>
>> >> >> Lines <- "Sun, 14 Jun 2009 07:33:00 -0700
>> >> >> Sun, 14 Jun 2009 08:35:10 -0700
>> >> >> Sun, 14 Jun 2009 21:26:34 -0700
>> >> >> Mon, 15 Jun 2009 19:47:47 -0700
>> >> >> Wed, 17 Jun 2009 21:50:41 -0700"
>> >> >>
>> >> >> # L <- readLines("myfile.txt")
>> >> >> L <- readLines(textConnection(Lines))
>> >> >> tt <- as.POSIXct(L, format = "%a, %d %b %Y %H:%M:%S")
>> >> >>
>> >> >>
>> >> >>
>> >> >> On Fri, Jun 19, 2009 at 6:06 PM, Thomas Levine<
>> thomas.levine@gmail.com>
>> >> >> wrote:
>> >> >> > I am analysing occurrences of a phenomenon by time, and each of
>> these
>> >> >> > timestamps taken from email headers represents one occurrence.
>> (The
>> >> >> > last
>> >> >> > number is the time zone.) I can easily change the format.
>> >> >> >
>> >> >> > Sun, 14 Jun 2009 07:33:00 -0700
>> >> >> > Sun, 14 Jun 2009 08:35:10 -0700
>> >> >> > Sun, 14 Jun 2009 21:26:34 -0700
>> >> >> > Mon, 15 Jun 2009 19:47:47 -0700
>> >> >> > Wed, 17 Jun 2009 21:50:41 -0700
>> >> >> >
>> >> >> > I've found documentation for a plethora of ways of importing time
>> >> >> > data,
>> >> >> > but
>> >> >> > I can't decide how to approach it. Any ideas on what may be the
>> >> >> > cleanest
>> >> >> > way? The only special concern is that I'll want to plot these data
>> by
>> >> >> > date
>> >> >> > and time, meaning that I would rather not bin all of the
>> occurrences
>> >> >> > from
>> >> >> > one day.
>> >> >> >
>> >> >> > The time zone isn't important as these are all local times; the
>> time
>> >> >> > zone
>> >> >> > only changes as a function of daylight savings time, so I probably
>> >> >> > shouldn't
>> >> >> > use it at all.
>> >> >> >
>> >> >> > Tom
>> >> >> >
>> >> >> >        [[alternative HTML version deleted]]
>> >> >> >
>> >> >> > ______________________________________________
>> >> >> > R-help@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.
>> >> >> >
>> >> >
>> >> >
>> >
>> >
>>
>
>

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