Question

我正在尝试使用同一图表（图表内部）中的计数和组级别创建堆栈栏。由于组变量有25个级别，我更喜欢将小组级别的名称带入小区内（因为我们有25种不同的颜色，很难进行可视化）。我从“Showing data values on stacked bar chart in ggplot2”获得了帮助。我想知道如何在图表中添加每个组级别的名称。

Year      <- c(rep(c("2006-07", "2007-08", "2008-09", "2009-10"), each = 4))
Category  <- c(rep(c("A", "B", "C", "D"), times = 4))
Frequency <- c(168, 259, 226, 340, 216, 431, 319, 368, 423, 645, 234, 685, 166, 467, 274, 251)
Data      <- data.frame(Year, Category, Frequency)

library(dplyr)  
Data <- group_by(Data,Year) %>%
 mutate(pos = cumsum(Frequency) - (0.5 * Frequency))

library(ggplot2)
#plot bars and add text
p <- ggplot(Data, aes(x = Year, y = Frequency)) +
     geom_bar(aes(fill = Category), stat="identity") +
     geom_text(aes(label = Frequency, y = pos), size = 3)

Answer 1

这些方面的东西可以解决问题：

p <- ggplot(Data, aes(x = Year, y = Frequency)) +
  geom_bar(aes(fill = Category), stat="identity", show.legend = FALSE) +
  geom_text(aes(label = Frequency, y = pos), size = 3, nudge_y = -25) +
  geom_text(aes(label = Category, y = pos), size = 3, nudge_y = 25)

哪些情节

gulp

随意自定义。

在同一图表中创建具有计数和填充/组级别的堆栈栏

1 个答案: