forgot to cc to list
Hi
For an xyplot you have not got the proper coding
for the x value which should be numeric.
If you want to make a plot of the style of xyplot
a numerical index of the country is needed and
then use the scales argument to annote the labels with the country.
Do you want multiple panels ?
A self contained dataset via dput would help elicit further information.
Have a look at the outer and related arguments as
well as the group arguments. A combined index for
regions with countries may be necessary.
Regards
Duncan
Duncan Mackay
Department of Agronomy and Soil Science
University of New England
Armidale NSW 2351
Email: home: mac...@northnet.com.au
At 00:17 25/07/2013, you wrote:
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Dear R mailing list readers,
I am facing the following problem; for
simplicity imagine I am working on a data frame
of, say, 5 columns. The first column is a list
of European countries, the other four are an
index (continuous variable) of climate change
impact under 4 different scenarios.
Country
2050B2
2050A2
2080B2
2080A2
Austria
-0.2
-0.6
...
Belgium
-0.2
-0.6
Bulgaria
-0.5
-0.8
Czech republic
-0.5
-0.8
United kingdom
-0.2
-0.6
I am using the package lattice to make a nice
plot of the dots from the different scenario using the following code;
my.plot <- xyplot(2050B2+2050A2+2080B2+2080A2~country, data=my.dat,
scales=list(x=list(rot=45)))
note: the part "scales=list(x=list(rot=45))" is pure aesthetic here.
So far, so good. However, I wish to order the
x-axis (countries) by grouping them by European
region; i.e Austria, Belgium and United kingdom
are western Europe, while Bulgaria and Czech
republic are eastern Europe. In excel I added a
new "region) variable (i.e 1 for Western Europe,
2 for eastern Europe) and I re-ordered my data
frame according to this "region" variable.
I then imported this updated data frame in R,
and checked how it looked with the usual code;
pot_dat <-read.csv(file.choose(),header=TRUE, sep=";",dec=".")
pot_dat
Again, so far so good; my second column
("country") is now ordered according to the
values of the first column ("region").
Region
Country
2050B2
2050A2
2080B2
2080A2
1
Austria
-0.2
-0.6
...
1
Belgium
-0.2
-0.6
1
United Kingdom
-0.2
-0.6
2
Bulgaria
-0.5
-0.8
2
Czech republic
-0.5
-0.8
However, when I try to use the code as above, R
automatically re-order the x-axis (country) in
alphabetical order. This was not unexpected, but
I have spent the day (unsuccessfully) looking
for a way to simply tell R not to do that and to
keep the variable "country" as it is now ordered
in the data frame to construct the x-axis of my
plot. Is there any way to force it to keep the
order as it is in the data frame ?
Any help would be really welcomed !
Best,
Arnaud Blaser
PhD candidate
University of Neuchâtel
Institute of Economic Research (IRENE)
Pierre-à-Mazel 7
CH-2000 Neuchâtel
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