Legend

[Sean Simpson]

I am using scale_fill_manual and the legend is only producing 1 of my treatments. I think I am missing a line of code but not sure. Please help or point me in the direction of an answer.

ggplot(Cg1, aes(fill=ST, y=OC, x=CT)) + 

  geom_blank() + theme_bw() +

  theme(panel.grid.major = element_blank(), panel.grid.minor = element_blank()) +

  geom_bar(position="dodge", stat="identity", colour="black", size=.3) + 

  geom_errorbar(aes(ymin=OC-SE, ymax=OC+SE), width=.1, size=.1, # Width of the error bars

                position=position_dodge(.9)) + 

    scale_fill_manual(values = c("#999999","#FFFFFF","#666666","#CCCCCC","#999999","#FFFFFF","#666666","#999999","#FFFFFF"), name="", 

                   breaks=c("Sandy Loam", "Silt Laom", "Loam", "Loamy Sand", "Sandy Laom", "Silt Loam", "Loam", "Sandy Loam", "Silt Loam")) +

  xlab("Crop Type") + ylab("SOC (%)") + ggtitle("") + expand_limits(y=c(NA, 3.25))

Sean

[Thierry Onkelinx]

A minimal **working** example would make it much easier to see what is going on. You send the code, but failed to post some sample data.

ir. Thierry Onkelinx

Statisticus / Statistician

Vlaamse Overheid / Government of Flanders
INSTITUUT VOOR NATUUR- EN BOSONDERZOEK / RESEARCH INSTITUTE FOR NATURE AND FOREST
Team Biometrie & Kwaliteitszorg / Team Biometrics & Quality Assurance
thierry....@inbo.be
Havenlaan 88 bus 73, 1000 Brussel
www.inbo.be

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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
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