ord_ellipse_groups: Compute Ellipse Coordinates for All Groups

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

Compute Ellipse Coordinates for All Groups

Description

Calculates ellipse coordinates for all groups in ordination scores.

Usage

ord_ellipse_groups(
  scores,
  group_var,
  axis1,
  axis2,
  kind = "se",
  conf = 0.95,
  method = "classic"
)

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.
kind	Type of ellipse: "se" or "sd".
conf	Confidence level.
method	Covariance method: "classic" or "robust".

Details

Compute ellipse coordinates for all groups in ordination scores

Calculates ellipse coordinates for all groups in ordination scores, supports classic and robust covariance estimation.

Value

Data frame of ellipse coordinates with group labels.

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