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R中的3层甜甜圈图
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Stack Overflow用户
提问于 2022-08-12 12:08:18
回答 2查看 166关注 0票数 5

我试图在R中重新创建这个图像,但是我无法想出如何将3层图层放到一个甜甜圈图中--我找到的所有东西(例如,webr::PieDonut)都只允许2层。使用ggplot,我也无法重新创建它。

A MRE是:

代码语言:javascript
复制
library(ggplot2)
library(webr)
library(dplyr)

lexicon <- data.frame("Level1" = c(rep("Flavour", 11), rep("Appearance", 4)),
                  "Level2" = c(rep("Misc", 6), rep("Pungent", 5), rep("Colour", 4)),
                  "Level3" = c("Fresh", "Refreshing", "Soapy", "Minty", "Nutty", "Milky", "Peppery", "Sharp", "Horseradish", "Mustard hot", "Spicy", "Colourful"," Fresh Green", "Dark Green", "Bright Green")
)

PieDonut(lexicon, aes(Level1, Level2), title = "Salad Lexicon", showRatioDonut =FALSE, showRatioPie = FALSE)

ggplot(lexicon, aes(Level2, Level3, fill = Level1)) +
  geom_col() +
  scale_fill_viridis_d() +
  coord_polar("y")

虽然PieDonut适用于2个级别(未显示),但它不允许包含最终级别。如下图所示,ggplot方法也不起作用。

我怎样才能在R中得到这种风格的图表呢?无论是用ggplot还是基本绘图。

EN

Stack Overflow用户

发布于 2022-08-12 12:43:32

一种选择是将您的数据重组为long,并在传递到ggplot之前进行一些手动聚合。此外,我还使用geomtextpath::geom_textpath添加标签:

代码语言:javascript
复制
library(ggplot2)
library(dplyr)
library(geomtextpath)

lexicon <- data.frame("Level1" = c(rep("Flavour", 11), rep("Appearance", 4)),
                      "Level2" = c(rep("Misc", 6), rep("Pungent", 5), rep("Colour", 4)),
                      "Level3" = c("Fresh", "Refreshing", "Soapy", "Minty", "Nutty", "Milky", "Peppery", "Sharp", "Horseradish", "Mustard hot", "Spicy", "Colourful"," Fresh Green", "Dark Green", "Bright Green")
)

lexicon_long <- lexicon |>
  mutate(fill = Level1) |>
  tidyr::pivot_longer(-fill, names_to = "level", values_to = "label") |>
  mutate(label = forcats::fct_inorder(label)) |> 
  count(fill, level, label) |>
  group_by(level) |>
  mutate(pct = n / sum(n))

ggplot(lexicon_long, aes(level, pct, fill = fill)) +
  geom_col(color = "white") +
  geom_textpath(aes(label = label, group = label),
                position = position_stack(vjust = .5),
                upright = TRUE, hjust = .5, size = 3
  ) +
  scale_fill_viridis_d() +
  coord_polar("y") +
  theme_void() +
  guides(fill = "none")

票数 7
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页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接:

https://stackoverflow.com/questions/73333971

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