我不明白如何在R waffle::geom_waffle()中更改fill变量的级别顺序。
似乎对变量进行排序是无效的,因为它总是按观察值的数量进行排序。
# First example
db_graph <- data.table::data.table(group = c("A", "B"),
n = c(13, 25))
ggplot2::ggplot(data = db_graph,
mapping = ggplot2::aes(fill = group,
values = n)) +
waffle::geom_waffle(flip = TRUE)
# Second example
db_graph <- db_graph[j = group := forcats::fct_rev(group)]
ggplot2::ggplot(data = db_graph,
mapping = ggplot2::aes(fill = group,
values = n)) +
waffle::geom_waffle(flip = TRUE)发布于 2021-10-28 16:26:24
您可以通过使用例如setorder(db_graph, group)对数据帧进行重新排序来获得您想要的结果。但你是对的。我也预计,顺序是由因素水平的顺序决定的。
library(ggplot2)
library(data.table)
library(waffle)
library(forcats)
db_graph <- data.table::data.table(
group = c("A", "B"),
n = c(13, 25)
)
db_graph <- db_graph[j = group := fct_rev(group)]
ggplot(
data = db_graph,
mapping = aes(
fill = group,
values = n
)
) +
geom_waffle(flip = TRUE)

setorder(db_graph, group)
ggplot(
data = db_graph,
mapping = aes(
fill = group,
values = n
)
) +
geom_waffle(flip = TRUE)

https://stackoverflow.com/questions/69756638
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