我想使用该patchwork
包收集 9 个 ggplots 的图例。图例具有不同的基础值(见图 1),但都对应于相同的值标签(见图 2)。有没有可能收集到这些传说?使用plot_layout(guides = "collect")
不起作用。
图。1
我正在使用的代码:
library(patchwork)
(p1 | p2 | p3 | p4) / (p5 | p6 | p7 | p8 | p9) &
scale_color_brewer(labels = c("-2 SD", "-1 SD", "Mean", "+1 SD", "+2 SD"),
palette = "RdYlBu") &
scale_fill_brewer(labels = c("-2 SD", "-1 SD", "Mean", "+1 SD", "+2 SD"),
palette = "RdYlBu") &
plot_layout(guides = "collect")
最小的工作示例
library(ggplot2)
library(patchwork)
plot1 <- ggplot(data = mtcars %>% mutate(cyl = as.factor(cyl)),
mapping = aes(x = wt, y = mpg, group = cyl, color = cyl)) +
geom_smooth(method = "lm")
plot2 <- ggplot(data = mtcars %>% mutate(cyl = as.character(cyl)),
mapping = aes(x = wt, y = mpg, group = cyl, color = cyl)) +
geom_smooth(method = "lm")
plot1 + plot2 &
plot_layout(guides = "collect")