# Dear all,

# Thank you for taking your time.

# What I would like to do:

# (Run the code below to see what I am referring to)

# I want lines connecting the medians of of the boxes. I do not want a function, just a simple,
# straight connection between points. I also would like the lines to be different: lty=c(1:3)

# Furthermore, I wish to change the line/dot marking the medians to be pch=c(1:3). It seems not to be so simple when using facet_wrap? I have obviously missed something obvious.

# Finally, I would like the boxes to be filled white and to have the legend reflecting this.

# I know that this was many questions, I apologize if some may seem basic. It is just that I am
# "jumping packages" the whole time and sometimes par() adjustments work and sometimes not.
# I have searched alot for answers, but as a ggplot2 beginner, I have failed to find a solution
# to my problems above.

# I would like to thank the programmers for a great package. The layer principle is much easier to work with.

####

# Some dummy data:
mydata<- data.frame(week = factor(rep(c("19", "21", "23", "25", "27", "29", "31", "33",
                                           "35", "37", "39"), each = 45*3)), #week
                    station = factor(rep(c("BY31", "B1", "H2", "H3", "H4",
                                           "H5", "H6", "H7", "H8"), each = 15)), #station
                    organism = factor(rep(c("zpl", "ses", "cy"), each = 5)), #organism
                    var1 = rnorm(1485, mean = rep(c(0, 3, 15), each = 40),
                                 sd = rep(c(1, 3, 6), each = 20)))

p <- ggplot(mydata, aes(x = week, y = var1, fill = organism)) +
  geom_boxplot() +
  facet_wrap(~ station, ncol = 3) +
  theme_bw() +
  theme(strip.background = element_blank())+
  ylab("var1")+
  xlab("week") +
  geom_smooth(aes(group = 1), method="lm", se = F) +  #Here is my problem.
  theme(strip.text.x = element_text(size = 12, colour="black", family="serif", angle=00)) +
  theme(axis.text.x = element_text(size = 12, colour="black", family="serif", angle=90)) +
  theme(axis.text.y = element_text(size = 12, colour="black", family="serif", angle=00)) +
  geom_hline(yintercept=0, linetype=3) #draws dotted line at 0

p

  # method="lm" is definately wrong,
  # I just added it to be a ble to draw some lines at all.
  # I also suspect geom_smooth to be wrong.
### TO CLARIFY: I want the medians connected within each level. cy medians connected and
  # and ses medians connected and zpl connected. Not cy-ses-zpl, but that is perhaps obvious.
### Thank you for your time!
  # with kind regards
  # A. Zakrisson



Anna Zakrisson Braeunlich
PhD student

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

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

E-mail: anna.zakrisson@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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