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在以下代码中,我想更改图例的各个方面,以便“plot_size”中表示“log10_p_value”的颜色渐变。ggplot2图例颜色渐变调整
所以白色气泡代表“plot_size”也表示“log10_size”
的数据可以在这里装载的颜色:
one.data <-
structure(list(plot_X = c(5.902, 1.184, 5.354, -3.513, 2.183,
2.217, -4.548, 6.466, -7.38, -6.19,
-6.374, 2.294, -3.653),
plot_Y = c(3.903, 7.13, -3.64, -5.64, 1.534, -4.031,
5.709, 0.066, 0.531, -3.234, 2.502, 6.686, 6.26),
plot_size = c(7.284, 5.413, 7.612, 4.725,5.633, 5.232,
4.547, 6.474, 5.567, 6.277, 6.874, 5.277, 4.394),
log10_p_value = c(-2.5229, -2.1549, -1.4949, -3, -1.5376,
-1.3565, -2.5229, -1.5229, -1.4949, -2.1549,
-1.3665, -2.1549, -1.3565)),
row.names = c(NA, 13L),
class = "data.frame",
.Names = c("plot_X", "plot_Y", "plot_size", "log10_p_value"))
生成的情节中的代码是:
p1 <-
ggplot(one.data
, aes(plot_X
, plot_Y
, fill = log10_p_value
, size = plot_size)) +
geom_point(
alpha = 0.6
, shape = 21) +
scale_size(range=c(0, 30)) +
scale_fill_gradientn(colours = c("blue", "green", "yellow", "red")) +
theme_bw() +
coord_cartesian(xlim = range(one.data$plot_X) + diff(range(one.data$plot_X))*c(-0.1, 0.1)
, ylim = range(one.data$plot_Y) + diff(range(one.data$plot_Y))*c(-0.1, 0.1))
p1
颜色和形状是独立的美学,一个是离散的,一个是连续的。你想要什么输出?我不清楚你认为正确的事情是什么。 – MrFlick
什么不工作? –
谢谢马克,你一直很有帮助。非常感谢。 –