inst/examples/mtcars-smooth.R

# 汽车马力与每加仑汽油行驶里程的关系
library(ggplot2)
p = ggplot(aes(x = hp, y = mpg), data = mtcars) +
  geom_point() +
  geom_smooth(method = "loess") +
  labs(x = "马力", y = "每加仑汽油行驶里程")
print(p)
yihui/MSG documentation built on Aug. 16, 2021, 12:13 p.m.