--- output: html_document params: my_class: "suv" --- ```{r} #| label: setup #| include: false library(tidyverse) class <- mpg |> filter(class == params$my_class) ``` # Fuel economy for `r params$my_class`s ```{r} #| message: false ggplot(class, aes(displ, hwy)) + geom_point() + geom_smooth(se = FALSE) ```