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r - 如何在ggplot的箱线图中显示中值?

转载 作者:行者123 更新时间:2023-12-04 00:36:02 24 4
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我正在尝试使用 ggplot() 在箱线图中显示中值(即水平条)。 R 一直要求指定 y 轴。我有点卡住了。

p <-structure(list(TYPE = structure(c(3L, 3L, 3L, 3L, 3L, 3L, 3L, 
3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 2L, 3L, 3L, 3L, 3L, 2L,
3L, 3L, 3L, 3L, 3L, 2L, 3L, 3L, 2L, 3L, 2L, 3L, 3L, 3L, 3L, 3L,
3L, 3L, 2L, 3L, 3L, 3L, 1L, 2L, 3L, 3L, 2L, 3L, 3L, 3L, 1L, 3L,
3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L,
2L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L,
3L, 3L, 2L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 1L, 1L), .Label = c("PM BUSINESS",
"PM CONSUMER", "PREPAY"), class = "factor"), TOTALREV = c(52.13,
53.01, 396.49, 596.52, 0, 33.89, 183.43, 0, 174.67, 120.56, 619.29,
171, 142.2, 77.14, 16.69, 176.86, 103.79, 799.8, 137.84, 187.84,
201.05, 16.69, 154.95, 195.98, 17.07, 158.96, 166.86, 8.89, 434.59,
34.55, 196.97, 783.74, 216.27, 1533.98, 137.6, 52.22, 88.61,
69.52, 52.18, 368.22, 139.89, 214.22, 163.46, 295.49, 319.73,
933.91, 199.19, 118.72, 0, 174.99, 141.72, 52.12, 115.25, 106.57,
106.12, 153.84, 1.45, 4.32, 168.93, 34.76, 249.21, 101.25, 87.69,
20.62, 0.87, 17.39, 0, 34.5, 131.36, 0, 106.43, 257.45, 0, 0,
256.63, 466.93, 44.25, 339.15, 71.42, 270.81, 145.85, 670.52,
187.06, 170.61, 153.59, 21.69, 166.14, 97, 104.4, 517.19, 230.78,
14.11, 52.33, 398.61, 56.65, 0, 26.02, 0, 154.78, 154.78)), .Names = c("TYPE",
"TOTALREV"), row.names = 23961:24060, class = "data.frame")

x6.3 <- qplot(TYPE, TOTALREV, data =p, geom = "boxplot")
x6.3+ stat_bin(geom="text",aes(x=TYPE,y=TOTALREV,label=TOTALREV),size = 3, hjust = 0.5, vjust = -1.5,position ="identity")

最佳答案

我不认为 stat_bin是要走的路:

library(plyr)
library(ggplot2)

p_meds <- ddply(p, .(TYPE), summarise, med = median(TOTALREV))

ggplot(p,aes(x = TYPE, y = TOTALREV)) +
geom_boxplot() +
geom_text(data = p_meds, aes(x = TYPE, y = med, label = med),
size = 3, vjust = -1.5)

enter image description here

作为旁注,我发现人们一旦学会停止使用 qplot 就不会对 ggplot 感到困惑。 .

关于r - 如何在ggplot的箱线图中显示中值?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/13370164/

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