clr_biplot {coda.plot}R Documentation

Compositional CLR Biplot

Description

Generates a centered log-ratio (CLR) biplot for compositional data.

Usage

clr_biplot(
  X,
  group = NULL,
  biplot_type = "covariance",
  alpha = NULL,
  shape_group = NULL
)

Arguments

X

A matrix or data frame containing compositional data.

group

factor used to color the observations.

biplot_type

Character string specifying the type of biplot. Either '"covariance"' (default) or '"form"'.

alpha

Optional numeric value between 0 and 1. If provided, this overrides biplot_type. Controls the type of biplot:

  • 0 = covariance biplot

  • 1 = form biplot

shape_group

Optional factor used to assign shapes to the observations.

Value

A ggplot object displaying the biplot.


[Package coda.plot version 0.1.9 Index]