ggplot2 - ggplot - Inline Subsetting for categorical variables - ggplot2 tutorial - ggplot tutorial

ggplot(iris[iris$Species == "setosa",],aes(Sepal.Width)) + 
    geom_density()

library(dplyr)
iris %>% filter(Species == "setosa") %>% ggplot(aes(Sepal.Width)) + 
    geom_density()

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