[R] Date classes in ggplot2

Thompson, David (MNR) David.John.Thompson at ontario.ca
Mon Oct 20 15:39:20 CEST 2008


Is not melt part of reshape package, i.e., require(reshape)? 

DaveT.
>-----Original Message-----
>From: stephen sefick [mailto:ssefick at gmail.com] 
>Sent: October 19, 2008 12:12 PM
>To: hadley wickham
>Cc: R Help
>Subject: Re: [R] Date classes in ggplot2
>
>well I must have either resolve it without knowing it, ot something
>funny is going on...  sorry I didn't run it in a clean R session.
>Should have.  works fine....
>thanks
>
>Stephen Sefick
>
>On Sun, Oct 19, 2008 at 12:01 PM, hadley wickham 
><h.wickham at gmail.com> wrote:
>> On Sun, Oct 19, 2008 at 10:49 AM, stephen sefick 
><ssefick at gmail.com> wrote:
>>> updn.gg <- (structure(list(date = structure(c(11808, 11869, 
>11961, 11992,
>>> 12084, 12173, 12265, 12418, 12600, 12631, 12753, 12996, 13057,
>>> 13149), class = "Date"), unrestored = c(1.13789418691602, 
>0.704948049842955,
>>> 0.276777348238899, 0.417586861554189, 0.504870337754768, 
>0.673201771716216,
>>> 0.560704221510771, 0.835737007551542, 1.10773858390693, 
>0.197070828834836,
>>> 0.942350681588179, 0.950447141061461, 0.246637790002705, 
>0.324035567509960
>>> ), restored = c(1.39981554315924, 0.89196314359498, 
>0.407816250252697,
>>> 0.823496839063978, 1.14429021220358, 1.23971035967413, 
>0.960868900583432,
>>> 0.927685306209829, 1.22072345292821, 0.249842897450642, 
>1.00879641624694,
>>> 0.925372139878243, 0.317259909172362, 0.382677149697482)), 
>.Names = c("date",
>>> "unrestored", "restored"), row.names = c(NA, -14L), class = 
>"data.frame"))
>>>
>>> #I would like to do this in ggplot
>>> xyplot(unrestored+restored~date, data=updn.gg, type=c("l"), 
>auto.key=TRUE)
>>> #this is what I have tried and get an error message
>>> melt.updn <- melt(updn.gg, id.var="date")
>>
>> What error message?  It works for me.
>>
>> Hadley
>>
>> --
>> http://had.co.nz/
>>
>
>
>
>-- 
>Stephen Sefick
>Research Scientist
>Southeastern Natural Sciences Academy
>
>Let's not spend our time and resources thinking about things that are
>so little or so large that all they really do for us is puff us up and
>make us feel like gods.  We are mammals, and have not exhausted the
>annoying little problems of being mammals.
>
>								
>-K. Mullis
>
>
>



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