shape number 25 shows as filled in the graph but only the borders are visible in the legend

[Ashim Kapoor]

Dear All,

Here is a small example:

x <- as.factor(rep(1:10,10))
y <- rnorm(100)
z <- as.factor(sample(x,100))

ggplot(data = data.frame(x,y,z), aes(x=x,y=y,color = z,shape = z,fill = z)) + geom_point() +
    scale_shape_manual(values = c(11:19,25))+
                    scale_fill_discrete(guide=FALSE)

Observe z = 10 in the legend. It shows a lower triangle which is hollow, but in the graph I see a filled lower triangle. What am I missing?

Best Regards,

Ashim

[Brandon Hurr]

Ashim, 

You're explicitly telling ggplot not to represent the fill in the legend. If you remove this line:

`scale_fill_discrete(guide=FALSE)`

You get a filled shape. 

Shape 25 is an empty shape that can take a fill. 

http://www.cookbook-r.com/Graphs/Shapes_and_line_types/

HTH, 

Brandon

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[Ashim Kapoor]

Dear  Brandon,

Many thanks.

Best Regards,

Ashim