For kcde objects, the function headers for the different dimensional data are
  ## univariate
  plot(Fhat, xlab, ylab="Distribution function", add=FALSE, drawpoints=FALSE, 
       col.pt="blue", jitter=FALSE, ...)## bivariate
  plot(Fhat, display="persp", cont=seq(10,90, by=10), abs.cont, xlab, ylab, 
       zlab="Distribution function", cex=1, pch=1, add=FALSE, drawpoints=FALSE, 
       drawlabels=TRUE, theta=-30, phi=40, d=4, col.pt="blue", col, col.fun, 
       lwd=1, border=NA, thin=1, ...)