[英]Left/right and bottom/top axes manipulation in Ggplot2
我正在嘗試使用“axis.line.y.right”操縱右 Y 軸,但軸沒有改變。 我使用了以下主題,但只有左側 Y 軸和底部 X 軸根據所需參數更改了顏色和大小。 我不知道我做錯了什么。 太感謝了。
C57.sum
Genotype Group Strain my_mean CI.plus CI.minus my_n
WT C57BL C57BL/6J 0.403 0.482 0.319 12
my.theme = list(theme(axis.line.y.left = element_line(size = 3, color = "red"),
axis.line.y.right = element_line(size = 3, color = "red"),
axis.line.x.top = element_line(size = 3, color = "red"),
axis.line.x.bottom = element_line(size = 3, color = "red")),
ylim(0,5))
Plot <- ggplot() +
geom_bar(data = C57.sum,
aes(y = my_mean, x = Strain, fill=Group),
color="black", stat="identity", width = 0.6, show.legend = FALSE,
position = position_dodge2(preserve = "single")) +
geom_linerange(data = C57.sum,
aes(x = Strain, ymin = CI.minus, ymax = CI.plus),
color = "black", size = 0.42,
position = position_dodge2(preserve = "single", width = 0.6)) +
geom_text(data = C57.sum,
aes(y = 0, x = Strain, group = Group, label=paste0("n = ",my_n), vjust=1.4),
size = 2.8, fontface = "italic", position = position_dodge(0.6)) +
coord_fixed(ratio=4/5) +
my_theme.2
Plot
在影響這些軸的主題元素生效之前,您必須先在右側和頂部添加軸。 如果沒有生成頂軸或右軸,則不會繪制它們。 下面是兩個使用guides()
function 和sec.axis
arguments 的示例。
library(ggplot2)
my.theme = list(theme(axis.line.y.left = element_line(size = 3, color = "red"),
axis.line.y.right = element_line(size = 3, color = "red"),
axis.line.x.top = element_line(size = 3, color = "red"),
axis.line.x.bottom = element_line(size = 3, color = "red")))
ggplot(mtcars, aes(wt, mpg)) +
geom_point() +
guides(x.sec = "axis", y.sec = "axis") +
my.theme
ggplot(mtcars, aes(wt, mpg)) +
geom_point() +
scale_x_continuous(sec.axis = sec_axis(~.x)) +
scale_y_continuous(sec.axis = sec_axis(~.x)) +
my.theme
由reprex package (v0.3.0) 創建於 2020-08-20
或者,您也可以設置例如scale_x_continuous(position = "top")
,但不會繪制底軸。
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