Have a look at the colour argument of geom_line()
http://had.co.nz/ggplot2/geom_line.html
You need colour = A_Factor_With_Names_Of_Timeseries
I recommend to you read the first chapters of Hadley's book on ggplot2
(it's on the ggplot2 website). That will answer much of your basic
ggplot2 questions.
HTH,
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 RON70
Verzonden: vrijdag 24 juli 2009 11:23
Aan: r-help at r-project.org
Onderwerp: [R] ggplot question
In page http://had.co.nz/ggplot2/scale_date.html , there is a time
series plot for multiple variables at the bottom. i.e
qplot(date, value, data = em, geom = "line", group = variable) +
+ facet_grid(variable ~ ., scale = "free_y")
How can I make different color for different series?
Thanks
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