Categories selection

I have a dataset with different categories and I want to drow a scatter plot for each one. This is my actual code:

data <- mtcars
data <- data[8:14,]
plot(data$wt, data$mpg, main="Scatterplot Example",
     xlab="Car Weight ", ylab="Miles Per Gallon ", pch=19)

Is there a better way to select the categories?

This is a possible tidyverse solution:


mtcars %>%
  ggplot(aes(x = wt, y = mpg)) +
  geom_point() +
  facet_wrap(~ cyl)

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