I'm confused why below code doesn't work. ggplot help for aes or fill or geom_density say that a) geom_density understands the fill aesthetic and b) that fill can be a colour constant from the R color palette. So what am I missing?
data.frame(x = rnorm(1:1000),
y = rnorm(1:1000)) |>
ggplot2::ggplot() +
ggplot2::geom_density(ggplot2::aes(.data$x, fill = "yellow")) +
ggplot2::geom_density(ggplot2::aes(.data$y, fill = "green"))
