R 绘图 填充颜色
d <- density(mtcars$mpg)
plot(d, main=”Kernel Density of Miles Per Gallon”)
polygon(d, col=”red”, border=”blue”) # Filled Density Plot
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d <- density(mtcars$mpg)
plot(d, main=”Kernel Density of Miles Per Gallon”)
polygon(d, col=”red”, border=”blue”) # Filled Density Plot