在facet_wrap中添加ggplot2下标和符号
在facet_wrap中添加ggplot2下标和符号
提问于 2021-08-25 16:16:34
随着时间的推移，我试图创建一些天气状况的2x2面图，并且在为一些面标题添加学位符号和上标时遇到了困难。
weatherPLOT = data.frame(weather = rep(c("Soil Temperature (C)",
"Snow Depth (m)",
"Air Temperature (C)",
"Discharge (m3/sec)"), each = 366),
day = 1:366,
mean = 3, # Obvious place holders,
Lo95 = 2, # Are actual numbers in real code
Hi95 = 4)
ggplot(aes(y = mean, x = day), data = weatherPLOT) +
geom_ribbon(aes(ymin = Lo95, ymax = Hi95), alpha = 0.25) +
geom_path(size = 1) +
theme(axis.title.y = element_blank()) + xlab("Julian Day") +
facet_wrap( ~ weather, nrow = 2, ncol = 2, scales = "free")我知道诀窍是在facet_wrap内部使用标签器，但我不能让它工作-我只是想在(C)之前添加一个度符号，并使3 in (m3/秒)被迷信。
回答 1
Stack Overflow用户
发布于 2021-08-25 17:03:39
另一种方式是：
weatherPLOT %>%
mutate(weather = factor(weather,
labels = c(bquote('Air Temperature'*degree*C),
"Discharge~(m^{3}/sec)",
"Snow~Depth~(m)",
bquote('Soil Temperature'*degree*C)))) %>%
ggplot(aes(y = mean, x = day)) +
geom_ribbon(aes(ymin = Lo95, ymax = Hi95), alpha = 0.25) +
geom_path(size = 1) +
theme(axis.title.y = element_blank()) + xlab("Julian Day") +
facet_wrap( ~ weather, nrow = 2, ncol = 2, scales = "free", labeller = label_parsed)
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原文链接：
https://stackoverflow.com/questions/68926485
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