ord_extract_centroids: Extract Group Centroids from Ordination Scores

In barrel: Covariance-Based Ellipses and Annotation Tools for Ordination Plots

Extract Group Centroids from Ordination Scores

Description

Computes centroids per group using classic mean or robust methods.

Usage

ord_extract_centroids(
  scores,
  group_var,
  axis1,
  axis2,
  method = c("classic", "robust")
)

Arguments

scores	Data frame of ordination scores.
group_var	Name of grouping column.
axis1	Name of first axis column.
axis2	Name of second axis column.
method	Centroid method: "classic" or "robust".

Details

Extract centroids of groups from ordination scores with classic or robust method

Computes the centroid coordinates for each group using either the classical mean or robust minimum covariance determinant.

Value

Data frame with group centroids.

barrel documentation built on Nov. 5, 2025, 7:40 p.m.