Re: [R] How to import timestamps from emails into R

2009-06-24 Thread Gabor Grothendieck
See the example in plot.zoo labelled Fancy X Axis: library(zoo) example(plot.zoo) ?plot.zoo On Wed, Jun 24, 2009 at 10:11 AM, Thomas Levine wrote: > 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

Re: [R] How to import timestamps from emails into R

2009-06-24 Thread Thomas Levine
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 wrote: > I wasn't really thinking that far ahead; plot tries to do something, so I > figured I'd try th

Re: [R] How to import timestamps from emails into R

2009-06-20 Thread Gabor Grothendieck
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 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, allow

Re: [R] How to import timestamps from emails into R

2009-06-20 Thread Thomas Levine
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)),

Re: [R] How to import timestamps from emails into R

2009-06-20 Thread Gabor Grothendieck
Try this: plot(seq_along(tt), tt) On Sat, Jun 20, 2009 at 10:55 AM, Thomas Levine 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" >

Re: [R] How to import timestamps from emails into R

2009-06-20 Thread Thomas Levine
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 sam

Re: [R] How to import timestamps from emails into R

2009-06-19 Thread Gabor Grothendieck
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:

[R] How to import timestamps from emails into R

2009-06-19 Thread Thomas Levine
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 M