Prr*_*dep 3 r facet ggplot2 facet-wrap
我有一个数据集data,可以根据要求进行绘制,如下所示:
#Data
data <- data.frame(level = c(1,2,3,5,2,4,3,1,3),
pay1 = c(10,21,32,12,41,21,36,14,17),
pay2 = c(26,36,5,6,52,12,18,17,19))
#Plot
data %>% pivot_longer(-level) %>%
ggplot(aes(x = name, y = value))+
geom_boxplot() +
facet_wrap(~ level, scales = "free_x") +
theme_bw()
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我希望根据另一个变量的频率更新构面标签level。
table(data$level)
# 1 2 3 4 5
# 2 2 3 1 1
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Facet 标签如何更新为1 (n=2), 2 (n=2), 3 (n=3), 4 (n=1), 5 (n=1)??
我只需mutate使用使用pasteand的调用来重命名因子级别n():
data %>%
pivot_longer(-level) %>%
group_by(level, name) %>%
mutate(level = paste0(level, " (n = ", n(), ")")) %>%
ggplot(aes(x = name, y = value))+
geom_boxplot() +
facet_wrap(~ level, scales = "free_x") +
theme_bw()
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