Dear Thierry,

thank you! this was exactly what I wanted. Just one question: If I use the 
facet_wrap(~Grouping, ncol=2) and not ncol=3, how can I add an x-axis to the 
plot that is missing one? I think that the ncol=2 looks nicer (like you have 
suggested) than the ncol=3, which would avoid this problem.
I also found:
theme(legend.justification=c(1,0), legend.position=c(1,0))
for the legend justification. Now this starts to look like how I want it to! 
Thank you so much for your time!

Best regards


Anna Zakrisson Braeunlich
PhD student

Department of Ecology Environment and Plant Sciences
Stockholm University
Svante Arrheniusv. 21A
SE-106 91 Stockholm
Sweden

Lives in Berlin.
For paper mail:
Katzbachstr. 21
D-10965, Berlin - Kreuzberg
Germany/Deutschland

E-mail: anna.zakris...@su.se
Tel work: +49-(0)3091541281
Mobile: +49-(0)15777374888
LinkedIn: http://se.linkedin.com/pub/anna-zakrisson-braeunlich/33/5a2/51b

><((((º>`•. . • `•. .• `•. . ><((((º>`•. . • `•. .• 
`•. .><((((º>`•. . • `•. .• `•. .><((((º>

-----Original Message-----
From: "ONKELINX, Thierry" <thierry.onkel...@inbo.be>
To: Anna Zakrisson <a...@ecology.su.se>, "r-help@r-project.org" 
<r-help@r-project.org>
Date: Wed, 6 Mar 2013 13:36:00 +0000
Subject: RE: [R] Ggplot2: Moving legend,   change fill and removal of space 
between   plots when using   grid.arrange() possible use of facet_grid?

Dear Anna,

Is this what you would like?

Summ  <-   ddply(mydata, .(factor3,factor1), summarize,
                       mean = mean(var1, na.rm = FALSE),
                       sdv = sd(var1, na.rm = FALSE),
                       se = 1.96*(sd(var1, na.rm=FALSE)/sqrt(length(var1))))
Summ$Grouping <- c("AB", "AB", "CD", "CD", "EF", "EF")[Summ$factor1]
Summ$factor1bis <- c("0", "1", "0", "1", "0", "1")[Summ$factor1]

ggplot(Summ, aes(factor3, mean, group = factor1bis, shape = factor1bis, 
linetype = factor1bis, ymin = mean - sdv , ymax = mean + sdv)) +
geom_point(position = position_dodge(width = 0.25), size = 3) +
geom_line(position = position_dodge(width = 0.25)) +
geom_errorbar(width = 0.3, position = position_dodge(width = 0.25), size = 
0.3) +
facet_wrap(~Grouping, ncol = 2) +
theme_bw() +
ylab(expression(paste("my measured stuff"))) +
xlab("factor3") +
labs(shape = "factor1", group = "factor1", linetype = "factor1")

Best regards,

ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek / Research Institute for Nature and 
Forest
team Biometrie & Kwaliteitszorg / team Biometrics & Quality Assurance
Kliniekstraat 25
1070 Anderlecht
Belgium
+ 32 2 525 02 51
+ 32 54 43 61 85
thierry.onkel...@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-boun...@r-project.org [mailto:r-help-boun...@r-project.org] 
Namens Anna Zakrisson
Verzonden: woensdag 6 maart 2013 13:33
Aan: r-help@r-project.org
Onderwerp: [R] Ggplot2: Moving legend, change fill and removal of space 
between plots when using grid.arrange() possible use of facet_grid?

Hi,

# For publications, I am not allowed to repeat the axes. I have tried to
remove the axes using:
# yaxt="n", but it did not work. I have not understood how to do this in
ggplot2. Can you help me?
# I also do not want loads of space between the graphs (see below script
with Dummy Data).
# If I could make it look like the examples on the (nice) examples page:
# http://www.ling.upenn.edu/~joseff/rstudy/summer2010_ggplot2_intro.html
# using the facet_grid(), I would be very very happy.

# I also do not want the gemoetric points to be filled and the fill="white"
commande
# does not seem to work - why? and are there alternatives?

#Furthermore, I would like to add legends to inside the plot area instead of
on the side. Like when you use plotrix() and brkdn.plot:
legend("topright", c("A", "B"), pch=c(0,1), bg="white",
       lty = 1:2, cex=1, bty="n")
# This did not work in ggplot2. What are my alternatives. I have extensively
searched the internet and have I missed something obvious, it was due to
   # tiredness and not to lazyness.

# Some dummy data:
mydata<- data.frame(factor1 = factor(rep(LETTERS[1:6], each = 80)),
                  factor2 = factor(rep(c(1:5), each = 16)),
                  factor3 = factor(rep(c(1:4), each = 4)),
                  var1 = rnorm(120, mean = rep(c(0, 3, 5), each = 40),
                  sd = rep(c(1, 2, 3), each = 20)),
                  var2 = rnorm(120, mean = rep(c(6, 7, 8), each = 40),
                  sd = rep(c(1, 2, 3), each = 20)))


# Splitting data into 3 data frames (based on factor1)
# If I could do this using for example facet_wrap() or facet_grid(), I would
be very
# happy! I have tried but failed that method.

DataAB <- mydata[(mydata$factor1) %in% c("A", "B"), ]
DataCD <- mydata[(mydata$factor1) %in% c("C", "D"), ]
DataEF <- mydata[(mydata$factor1) %in% c("E", "F"), ]
DataAB
library(plyr)
library(ggplot2)

#Plot: levels A and B:
# Summary (means etc)
SummAB  <-   ddply(DataAB, .(factor3,factor1), summarize,
                       mean = mean(var1, na.rm = FALSE),
                       sdv = sd(var1, na.rm = FALSE),
                       se = 1.96*(sd(var1, na.rm=FALSE)/sqrt(length(var1))))
SummAB
p1  <-  ggplot(SummAB, aes(factor3, mean,
                               colour = factor1, group = factor1,
                               shape = factor1)) +
  geom_point(aes(shape=factor(factor1)), color="black", fill="white",
             position = "dodge", width = 0.3, size=3) +
  geom_line(aes(linetype=factor1), color = "black", size = 0.5) +
  geom_errorbar(aes(ymin = mean - sdv , ymax = mean + sdv), width = 0.3,
                position = "dodge", color = "black", size=0.3) +
  theme_bw() +
  ylab(expression(paste("my measured stuff"))) +
  xlab("factor3") + ggtitle("") +
  labs(color = "factor1", shape = "factor1", group = "factor1",
       linetype = "factor1")
p1

#Plot: levels C and D:
# Summary (means etc)
SummCD  <-   ddply(DataCD, .(factor3,factor1), summarize,
                   mean = mean(var1, na.rm = FALSE),
                   sdv = sd(var1, na.rm = FALSE),
                   se = 1.96*(sd(var1, na.rm=FALSE)/sqrt(length(var1))))

p2  <-  ggplot(SummCD, aes(factor3, mean,
                           colour = factor1, group = factor1,
                           shape = factor1)) +
  geom_point(aes(shape=factor(factor1)), color="black", fill="white",
             position = "dodge", width = 0.3, size=3) +
  geom_line(aes(linetype=factor1), color = "black", size = 0.5) +
  geom_errorbar(aes(ymin = mean - sdv , ymax = mean + sdv), width = 0.3,
                position = "dodge", color = "black", size=0.3) +
  theme_bw() +
  ylab(expression(paste("my measured stuff"))) +
  xlab("factor3") + ggtitle("") +
  labs(color = "factor1", shape = "factor1", group = "factor1",
       linetype = "factor1")
p2

#Plot: levels C and D:
# Summary (means etc)
SummEF  <-   ddply(DataEF, .(factor3,factor1), summarize,
                   mean = mean(var1, na.rm = FALSE),
                   sdv = sd(var1, na.rm = FALSE),
                   se = 1.96*(sd(var1, na.rm=FALSE)/sqrt(length(var1))))

p3  <-  ggplot(SummEF, aes(factor3, mean,
                           colour = factor1, group = factor1,
                           shape = factor1)) +
  geom_point(aes(shape=factor(factor1)), color="black", fill="white", #Why
is the fill commando not working?
             position = "dodge", width = 0.3, size=3) +
  geom_line(aes(linetype=factor1), color = "black", size = 0.5) +
  geom_errorbar(aes(ymin = mean - sdv , ymax = mean + sdv), width = 0.3,
                position = "dodge", color = "black", size=0.3) +
  theme_bw() +
  ylab(expression(paste("my measured stuff"))) +
  xlab("factor3") + ggtitle("") +
  labs(color = "factor1", shape = "factor1", group = "factor1",
       linetype = "factor1")
p3

ary(gridExtra)
sidebysideplot <- grid.arrange(p1, p2, p3, ncol=2)


Anna Zakrisson Braeunlich
PhD student

Department of Ecology Environment and Plant Sciences
Stockholm University
Svante Arrheniusv. 21A
SE-106 91 Stockholm
Sweden

Lives in Berlin.
For paper mail:
Katzbachstr. 21
D-10965, Berlin - Kreuzberg
Germany/Deutschland

E-mail: anna.zakris...@su.se
Tel work: +49-(0)3091541281
Mobile: +49-(0)15777374888
LinkedIn: http://se.linkedin.com/pub/anna-zakrisson-braeunlich/33/5a2/51b

><((((º>`•. . • `•. .• `•. . 
><((((º>`•. . • `•. .•
`•. .><((((º>`•. . • `•. .• `•. 
.><((((º>

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