R/pal.R

In pbreheny/visreg: Visualization of Regression Models

pal <- function(n, alpha=1)
{
  if (n==2) {
    val <- hcl(seq(15, 375, len=4), l=60, c=150, alpha=alpha)[c(1,3)]
  } else val <- hcl(seq(15, 375, len=n+1), l=60, c=150, alpha=alpha)[1:n]
  val
}