[英]How to change the color range of data points in ggplot2 geom_jitter()
这有效:
t1 <- ggplot(mtcars, aes(x=as.factor(cyl),y=mpg))
t2 <- geom_boxplot(outlier.shape=NA)
t3 <- geom_jitter(width=0.3, size=3, aes(color = disp))
t4 <- scale_colour_gradient(low="green",high="red")
t1 + t2 + t3 + t4
您需要将disp定义为表明变量顺序的分类变量
mtcars$disp = factor(mtcars$disp, levels = names_of_levels_ordered)
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