Override variable width geom_bar when used with continuous variables on x and y
David Johnston
Hi!
For the following, hopefully self-contained, data+plot (attached PDF), I am wondering whether the width of each of the bars can be made constant. Notice in the upper facet panel the green bar is considerably thicker than the red and blue bars. I am also wondering whether it is possible to add a gap between the two bars in the lower facet (for example, the ones to the far left). A very small one but enough to help visually distinguish between the two. The reason they are touching is because they share the exact same parameters and so the “dodge” algorithm kicks in.
Thanks!
David J.
Version: ggplot2_0.9.1
Dput:
structure(list(desc.cat = structure(c(4L, 3L, 2L, 1L, 4L, 3L,
2L, 1L, 4L, 3L, 2L, 1L), .Label = c("MUGT70", "MU6070", "MULT60",
"UC500"), class = "factor"), Model = structure(c(1L, 1L, 1L,
1L, 2L, 2L, 2L, 2L, 3L, 3L, 3L, 3L), .Label = c("Original", "Final",
"Reference"), class = "factor"), mu = c(1.14, 1.29, 1.67, 2,
1.14, 1.19, 1.68, 1.98, 1.35, 1.4, 1.67, 2), cp = c(0.35, 0.35,
0.22, 0.08, 0.35, 0.16, 0.12, 0.37, 0.1, 0.15, 0.25, 0.5), comp = c(0.399,
0.4515, 0.3674, 0.16, 0.399, 0.1904, 0.2016, 0.7326, 0.135, 0.21,
0.4175, 1)), .Names = c("desc.cat", "Model", "mu", "cp", "comp"
), row.names = c(NA, -12L), class = "data.frame")
/Dput
Plot:
ggplot(priceBandData) +
theme_bw() +
geom_bar(
aes(
y=cp
, x=mu
, fill=Model
)
, position=position_dodge()
, stat="identity"
) + facet_grid(desc.cat~.)
Winston Chang
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