ps_convexHull: ps_convexHull

In benmarwick/karon: Compositional Data Analysis of Archaeological Artefacts

ps_convexHull

Description

Compute the corners of a convex hull and plot the hull: used in ps_pcaEvaluation()

Usage

ps_convexHull(data, groupVar, hullGroup)

Arguments

data	R matrix or data frame containing the data to be analyzed
groupVar	The name for variable defining grouping; a group variable is required
hullGroup	A code defining the group for which a hull is to be plotted

Value

The function returns a matrix with the points defining the corners of the convex hull.

Details

The function assumes that the data frame data (an argument) contains group codes in GroupVar and two principal components, named pc1 and pc2.

benmarwick/karon documentation built on July 29, 2023, 10:11 a.m.