Hi,

I want to change my geom.point shapes in facet grid. I have tried all sorts of 
solutions, but for some reason none seem to work. Something overrides the 
"normal" codes. I am stuck.
I have attached the data to the mail.
I want organism to have different shapes and then add a legend to the plot.
thank you for your help!

Code:

  Anaalldata <- read.table(file = "Annadata_2007_9_ISO_long.txt", header = 
TRUE, dec = ".")
  str(Anaalldata)
  names(Anaalldata)
  library(hexbin)
  library(grid)
  library(ggplot2)
  Anaalldata <- within(Anaalldata, fweek <- factor(week))
  Anaalldata <- within(Anaalldata, fyear <- factor(year))
  Anaalldata <- na.exclude(Anaalldata)
  names(Anaalldata)

  Summisodata11 <- ddply(Anaalldata, .(station, organism), summarise, mean = 
mean(deltancy),
                        sd = sd(deltancy))

  p <- ggplot(Anaalldata, aes(station, organism))+

    geom_errorbar(data = Summisodata11, aes(ymin = mean - sd, y = mean,
                                       ymax = mean + sd),
                  size = 1, width = 0.1, color = "black")+
    geom_point(data = Summisodata11, aes(y = mean))+
               scale_shape(solid = F)+
    theme_bw() +
    theme(strip.background = element_blank())+
    xlab("Station") +
    ylab(expression(paste("",delta^{15}, "N")))+
    scale_y_continuous(limits=c(-3, 14),    # Set y range
                       breaks=-4:15*2) +
    geom_hline(yintercept=0, linetype=3) + #draws dotted line at 0
    theme(strip.text.x = element_text(size = 20, colour="black", 
family="serif", angle=00)) +
    theme(strip.text.y = element_text(size = 20, colour="black", 
family="serif", angle=00)) +
    theme(axis.text.x = element_text(size = 20, colour="black", family="serif", 
angle=00)) +
    theme(axis.text.y = element_text(size = 17, colour="black", family="serif", 
angle=00)) +
    theme(axis.title.x = element_text(size=20, colour="black", family="serif", 
angle=00))+
    theme(axis.title.y = element_text(size=20, colour="black", family="serif", 
angle=90))+
    facet_wrap( ~ year)
p

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.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>
Datum   week    station year    deltancy        organism
2007-06-05      23      B1      2007    -1.54405466045455       cyano
2007-06-05      23      H2      2007    NA      cyano
2007-06-05      23      H3      2007    NA      cyano
2007-06-05      23      H4      2007    NA      cyano
2007-06-19      25      B1      2007    -1.18268940809974       cyano
2007-06-19      25      H2      2007    NA      cyano
2007-06-19      25      H3      2007    NA      cyano
2007-06-19      25      H4      2007    NA      cyano
2007-07-04      27      B1      2007    -1.33865917864586       cyano
2007-07-04      27      H2      2007    -1.52103638215059       cyano
2007-07-04      27      H3      2007    -1.49107545966916       cyano
2007-07-04      27      H4      2007    -1.37273583438097       cyano
2007-07-18      29      B1      2007    -0.477611460117175      cyano
2007-07-18      29      H2      2007    -1.1444693750311        cyano
2007-07-18      29      H3      2007    -1.06015440546927       cyano
2007-07-18      29      H4      2007    -0.596173777168395      cyano
2007-07-30      31      B1      2007    NA      cyano
2007-07-30      31      H2      2007    -1.27653253961449       cyano
2007-07-30      31      H3      2007    NA      cyano
2007-07-30      31      H4      2007    NA      cyano
2007-08-15      33      B1      2007    -0.592010835454545      cyano
2007-08-15      33      H2      2007    NA      cyano
2007-08-15      33      H3      2007    -0.127702460454545      cyano
2007-08-15      33      H4      2007    -0.0932524604545449     cyano
2007-08-27      35      B1      2007    NA      cyano
2007-08-27      35      H2      2007    -1.62398936045454       cyano
2007-08-27      35      H3      2007    -0.0313626604545451     cyano
2007-08-27      35      H4      2007    0.373106214545455       cyano
2007-09-12      37      B1      2007    -0.0155379599043325     cyano
2007-09-12      37      H2      2007    0.00911628491610256     cyano
2007-09-12      37      H3      2007    NA      cyano
2007-09-12      37      H4      2007    NA      cyano
2008-06-02      23      B1      2008    -1.25056732302961       cyano
2008-06-02      23      H2      2008    -1.60062956364517       cyano
2008-06-02      23      H3      2008    -1.40399876974486       cyano
2008-06-02      23      H4      2008    -1.39577030244676       cyano
2008-06-16      25      B1      2008    -1.34772374471958       cyano
2008-06-16      25      H2      2008    -1.65324563368036       cyano
2008-06-16      25      H3      2008    -1.48831101276456       cyano
2008-06-16      25      H4      2008    -0.746578758474365      cyano
2008-07-01      27      B1      2008    -1.41910217103679       cyano
2008-07-01      27      H2      2008    -1.50111899269191       cyano
2008-07-01      27      H3      2008    -1.20701794687348       cyano
2008-07-01      27      H4      2008    -1.03665406459006       cyano
2008-07-14      29      B1      2008    -1.60684043398901       cyano
2008-07-14      29      H2      2008    -1.56435676593294       cyano
2008-07-14      29      H3      2008    -1.57161070469382       cyano
2008-07-14      29      H4      2008    -1.43749869650962       cyano
2008-07-31      31      B1      2008    -1.57189190911449       cyano
2008-07-31      31      H2      2008    -1.46904802606902       cyano
2008-07-31      31      H3      2008    -1.44885265421185       cyano
2008-07-31      31      H4      2008    -1.1997138381826        cyano
2008-08-11      33      B1      2008    -0.501757875591853      cyano
2008-08-11      33      H2      2008    -0.947543086375431      cyano
2008-08-11      33      H3      2008    -0.948144392235263      cyano
2008-08-11      33      H4      2008    -0.422175052012451      cyano
2008-08-25      35      B1      2008    -1.13852680481403       cyano
2008-08-25      35      H2      2008    -1.04617858766944       cyano
2008-08-25      35      H3      2008    -0.369727516739494      cyano
2008-08-25      35      H4      2008    NA      cyano
2008-09-08      37      B1      2008    NA      cyano
2008-09-08      37      H2      2008    -1.25936737279182       cyano
2008-09-08      37      H3      2008    -0.769694975589073      cyano
2008-09-08      37      H4      2008    1.3121684441037 cyano
2009-06-01      23      B1      2009    -1.54464260726808       cyano
2009-06-01      23      H2      2009    -1.59522836981196       cyano
2009-06-01      23      H3      2009    NA      cyano
2009-06-01      23      H4      2009    NA      cyano
2009-06-17      25      B1      2009    -1.69579786921141       cyano
2009-06-17      25      H2      2009    -1.40320655223884       cyano
2009-06-17      25      H3      2009    -1.60280576205294       cyano
2009-06-17      25      H4      2009    NA      cyano
2009-06-29      27      B1      2009    -1.66971056687219       cyano
2009-06-29      27      H2      2009    -1.86461427190806       cyano
2009-06-29      27      H3      2009    -1.51247878039687       cyano
2009-06-29      27      H4      2009    NA      cyano
2009-07-14      29      B1      2009    -1.53733729605044       cyano
2009-07-14      29      H2      2009    -1.73929836180681       cyano
2009-07-14      29      H3      2009    -1.73306677273655       cyano
2009-07-14      29      H4      2009    -1.69509494697137       cyano
2009-07-21      31      B1      2009    -1.67589021611613       cyano
2009-07-21      31      H2      2009    -1.73589244568426       cyano
2009-07-21      31      H3      2009    -1.77369180282223       cyano
2009-07-21      31      H4      2009    -1.95513036245291       cyano
2009-08-11      33      B1      2009    -1.64590367801435       cyano
2009-08-11      33      H2      2009    -0.975392570958003      cyano
2009-08-11      33      H3      2009    -1.08472979737474       cyano
2009-08-11      33      H4      2009    -0.342581508506027      cyano
2009-08-24      35      B1      2009    -1.65443874015127       cyano
2009-08-24      35      H2      2009    NA      cyano
2009-08-24      35      H3      2009    NA      cyano
2009-08-24      35      H4      2009    NA      cyano
2009-09-10      37      B1      2009    NA      cyano
2009-09-10      37      H2      2009    -1.48887485460053       cyano
2009-09-10      37      H3      2009    -1.18275753519732       cyano
2009-09-10      37      H4      2009    0.69962173259144        cyano
2007-06-05      23      B1      2007    4.47385740222222        seston
2007-06-05      23      H2      2007    6.05897580222222        seston
2007-06-05      23      H3      2007    8.37841513555555        seston
2007-06-05      23      H4      2007    9.61670396888889        seston
2007-06-19      25      B1      2007    3.73485556888889        seston
2007-06-19      25      H2      2007    5.42401650222222        seston
2007-06-19      25      H3      2007    7.33574346888889        seston
2007-06-19      25      H4      2007    8.86145830222222        seston
2007-07-04      27      B1      2007    2.7638535974359 seston
2007-07-04      27      H2      2007    4.00140517410256        seston
2007-07-04      27      H3      2007    5.39503704076923        seston
2007-07-04      27      H4      2007    6.84945664076923        seston
2007-07-18      29      B1      2007    3.91543233555556        seston
2007-07-18      29      H2      2007    4.19693206888889        seston
2007-07-18      29      H3      2007    5.61797813555556        seston
2007-07-18      29      H4      2007    7.52476200222222        seston
2007-07-30      31      B1      2007    3.7393312074359 seston
2007-07-30      31      H2      2007    4.17658027410256        seston
2007-07-30      31      H3      2007    5.8381528074359 seston
2007-07-30      31      H4      2007    9.03357664076923        seston
2007-08-15      33      B1      2007    1.8719321634359 seston
2007-08-15      33      H2      2007    2.1419529454359 seston
2007-08-15      33      H3      2007    4.93602437410256        seston
2007-08-15      33      H4      2007    8.96529464076923        seston
2007-08-27      35      B1      2007    1.95879965076923        seston
2007-08-27      35      H2      2007    4.09687457410256        seston
2007-08-27      35      H3      2007    6.6575916074359 seston
2007-08-27      35      H4      2007    8.04241487410256        seston
2007-09-12      37      B1      2007    2.06570709010256        seston
2007-09-12      37      H2      2007    2.94583979410256        seston
2007-09-12      37      H3      2007    7.61774027410256        seston
2007-09-12      37      H4      2007    9.83579914076923        seston
2008-06-02      23      B1      2008    3.47279037451382        seston
2008-06-02      23      H2      2008    4.22215150864454        seston
2008-06-02      23      H3      2008    6.46177275828177        seston
2008-06-02      23      H4      2008    9.17257696452574        seston
2008-06-16      25      B1      2008    4.30828533756346        seston
2008-06-16      25      H2      2008    4.32792824127296        seston
2008-06-16      25      H3      2008    6.17361934778162        seston
2008-06-16      25      H4      2008    8.60287985762125        seston
2008-07-01      27      B1      2008    4.09710270084992        seston
2008-07-01      27      H2      2008    5.12491400759448        seston
2008-07-01      27      H3      2008    8.02871181604821        seston
2008-07-01      27      H4      2008    9.08416523195653        seston
2008-07-14      29      B1      2008    2.660801921765  seston
2008-07-14      29      H2      2008    3.62166099540679        seston
2008-07-14      29      H3      2008    5.54235203379192        seston
2008-07-14      29      H4      2008    8.55010440548864        seston
2008-07-31      31      B1      2008    2.65603421247354        seston
2008-07-31      31      H2      2008    4.15236493639471        seston
2008-07-31      31      H3      2008    5.42746411764721        seston
2008-07-31      31      H4      2008    7.82059741320421        seston
2008-08-11      33      B1      2008    2.61161634375754        seston
2008-08-11      33      H2      2008    3.15725878671654        seston
2008-08-11      33      H3      2008    3.8726123408434 seston
2008-08-11      33      H4      2008    8.62396349046657        seston
2008-08-25      35      B1      2008    3.87820630062465        seston
2008-08-25      35      H2      2008    4.79516224644675        seston
2008-08-25      35      H3      2008    7.72541042296564        seston
2008-08-25      35      H4      2008    7.47946373621679        seston
2008-09-08      37      B1      2008    3.50215159360422        seston
2008-09-08      37      H2      2008    4.78775336997727        seston
2008-09-08      37      H3      2008    6.69430250319341        seston
2008-09-08      37      H4      2008    7.20859543072683        seston
2009-06-01      23      B1      2009    3.82563116763815        seston
2009-06-01      23      H2      2009    5.20150071251016        seston
2009-06-01      23      H3      2009    7.5476974460077 seston
2009-06-01      23      H4      2009    9.10708271356664        seston
2009-06-17      25      B1      2009    3.1761824775762 seston
2009-06-17      25      H2      2009    4.2134944304327 seston
2009-06-17      25      H3      2009    7.06871469351265        seston
2009-06-17      25      H4      2009    8.7703248089121 seston
2009-06-29      27      B1      2009    2.17930453307259        seston
2009-06-29      27      H2      2009    4.29259501268058        seston
2009-06-29      27      H3      2009    6.8429604452715 seston
2009-06-29      27      H4      2009    8.55660271050128        seston
2009-07-14      29      B1      2009    NA      seston
2009-07-14      29      H2      2009    NA      seston
2009-07-14      29      H3      2009    NA      seston
2009-07-14      29      H4      2009    NA      seston
2009-07-21      31      B1      2009    3.72091545108021        seston
2009-07-21      31      H2      2009    3.46318076574592        seston
2009-07-21      31      H3      2009    4.59687007888813        seston
2009-07-21      31      H4      2009    6.65982024600134        seston
2009-08-11      33      B1      2009    1.47800747935773        seston
2009-08-11      33      H2      2009    1.3447519176607 seston
2009-08-11      33      H3      2009    3.29554639548393        seston
2009-08-11      33      H4      2009    6.62023314879705        seston
2009-08-24      35      B1      2009    3.66490431230897        seston
2009-08-24      35      H2      2009    3.13505249375852        seston
2009-08-24      35      H3      2009    5.4499523489522 seston
2009-08-24      35      H4      2009    8.38001530184516        seston
2009-09-10      37      B1      2009    4.76950608332055        seston
2009-09-10      37      H2      2009    4.17801569853361        seston
2009-09-10      37      H3      2009    6.65552647333565        seston
2009-09-10      37      H4      2009    8.51802149143312        seston
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