显示从大到小的值scaterplot R

install.packages("ggplot2")
library(ggplot2)

# 创建一个示例数据框
df <- data.frame(
  x = rnorm(100),  # 生成100个随机数作为x的值
  y = rnorm(100)   # 生成100个随机数作为y的值
)

# 根据y的值从大到小排序数据框
df_sorted <- df[order(df$y, decreasing = TRUE), ]

# 使用ggplot2绘制散点图
ggplot(df_sorted, aes(x = x, y = y)) +
  geom_point() +
  labs(title = "Scatterplot of x vs y (sorted by y in descending order)",
       x = "x",
       y = "y")