cassowaryr (version 2.0.2)

draw_convexhull: Drawing the Convex Hull

Description

This function will draw the Convex Hull for a scatterplot.

Usage

draw_convexhull(x, y, alpha = 0.5, clr = "black", fill = FALSE, out.rm = TRUE)

Value

A "gg" object that draws the plot's convex hull.

Arguments

x

numeric vector

y

numeric vector

alpha

transparency value of points

clr

optional colour of points and lines, default black

fill

Fill the polygon

out.rm

option to return the outlier removed convex hull

Examples

require(dplyr)
require(ggplot2)
data("features")
nl <- features %>% filter(feature == "clusters")
draw_convexhull(nl$x, nl$y, fill=TRUE, out.rm=FALSE)