[英]Making pie chart's borders smoother with ggplot on R
我執行了一個腳本,使用 ggplot 在 R 中獲取餅圖/甜甜圈圖。
這是我的腳本
ggplot(dat1, aes(x = treatment, y = data, fill = group, color = treatment)) +
geom_col(size=.8) +
scale_color_manual(values=c("black", "gold3")) +
scale_fill_brewer(palette="Paired") +
coord_polar("y") +
geom_text(aes(label = data), position = position_stack(vjust = 0.5), size =4, fontface="bold") +
theme_void() +
ggtitle ("Title") +
theme(plot.title = element_text(hjust = 0.5, size = 25))
它的工作完全符合我的要求,除了邊框很糟糕,正如您在圖中看到的那樣,它似乎是自由手繪的。
有什么辦法可以讓邊框更精確更平滑,像一個完美的圓?
感謝您一直提供的寶貴幫助和見解。
作為獲取可編輯版本的一種可能有用的方法,您可以嘗試export
package(目前僅在 GitHub 上),它可以在 powerpoint 幻燈片中為您提供平滑的可編輯矢量圖像:
# devtools::install_github("tomwenseleers/export")
library(ggplot2)
df <- tibble::tribble(
~group, ~treatment, ~data,
"A", "q", 60,
"B", "q", 40,
"C", "q", 0,
"D", "q", 0,
"E", "q", 0,
"F", "q", 0,
"G", "q", 0,
"H", "q", 0,
"I", "q", 0,
"K", "q", 0,
"L", "q", 0,
"J", "q", 0,
"A", "w", 70,
"B", "w", 10,
"C", "w", 0,
"D", "w", 0,
"E", "w", 5,
"F", "w", 5,
"G", "w", 1,
"H", "w", 1,
"I", "w", 1,
"K", "w", 1,
"L", "w", 5,
"J", "w", 1
)
g <- ggplot(df, aes(x = treatment, y = data, fill = group, color = treatment)) +
geom_col(size=.8) +
scale_color_manual(values=c("black", "gold3")) +
scale_fill_brewer(palette="Paired") +
coord_polar("y") +
geom_text(aes(label = data), position = position_stack(vjust = 0.5), size =4, fontface="bold") +
theme_void() +
ggtitle ("Title") +
theme(plot.title = element_text(hjust = 0.5, size = 25))
export::graph2ppt(g, "output_graph.pptx")
#> Exported graph as output_graph.pptx
由reprex package (v2.0.1) 創建於 2022-03-17
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