Add a kernel density polygon
add_dens_polygon(
x,
y,
col,
lwd = 1.7,
alpha = c(0.25, 0.75),
add_pts = FALSE,
add_poly = TRUE
)
x values
y values
Colour to add polygon with. Will be made into two levels of opacity.
lwd Line width
A numeric vector of length 2 that gives the confidence levels for the two kernel density polygons.
Logical: should points be added?
Add polygons?