R help - Jan 2009 - ggplot2 example

I need to plot two graphics just like the example below but for some reason your
example crashes. Using facet_wrap seems to be the cause:
library(ggplot2)
upper <- with(economics, data.frame(date,value = psavert, position =
"upper"))
upper
lower <- with(economics, data.frame(date,value = unemploy,position =
"lower"))
lower
#upper$date <- as.Date(upper$date,"%m/%d/%Y")
#lower$date <- as.Date(lower$date,"%m/%d/%Y")
ggplot(mapping = aes(x=date, y=value)) + geom_line(data = upper) +
geom_area(data = lower)  +
   facet_wrap(~ position, scale = "free_y",ncol=1)


Felipe D. Carrillo  Supervisory Fishery Biologist  Department of the Interior 
US Fish & Wildlife Service  California, USA

Hi Felipe,

As I recall that is a known bug in the current version of ggplot2.

Cheers,

Thierry 


------------------------------------------------------------------------
----
ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek / Research Institute for Nature
and Forest
Cel biometrie, methodologie en kwaliteitszorg / Section biometrics,
methodology and quality assurance
Gaverstraat 4
9500 Geraardsbergen
Belgium 
tel. + 32 54/436 185
Thierry.Onkelinx at inbo.be 
www.inbo.be 

To call in the statistician after the experiment is done may be no more
than asking him to perform a post-mortem examination: he may be able to
say what the experiment died of.
~ Sir Ronald Aylmer Fisher

The plural of anecdote is not data.
~ Roger Brinner

The combination of some data and an aching desire for an answer does not
ensure that a reasonable answer can be extracted from a given body of
data.
~ John Tukey

-----Oorspronkelijk bericht-----
Van: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
Namens Felipe Carrillo
Verzonden: donderdag 22 januari 2009 23:57
Aan: r-help at stat.math.ethz.ch
Onderwerp: [R] ggplot2 example


 I need to plot two graphics just like the example below but for some
reason your example crashes. Using facet_wrap seems to be the cause:
library(ggplot2)
upper <- with(economics, data.frame(date,value = psavert, position
"upper"))
upper
lower <- with(economics, data.frame(date,value = unemploy,position
"lower"))
lower
#upper$date <- as.Date(upper$date,"%m/%d/%Y")
#lower$date <- as.Date(lower$date,"%m/%d/%Y")
ggplot(mapping = aes(x=date, y=value)) + geom_line(data = upper) +
geom_area(data = lower)  +
   facet_wrap(~ position, scale = "free_y",ncol=1)


Felipe D. Carrillo  Supervisory Fishery Biologist  Department of the
Interior  US Fish & Wildlife Service  California, USA

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