specmine (version 4.0.0)

pca_biplot3D: PCA 3D biplot

Description

Creates an interactive 3D PCA biplot using rgl.

Usage

pca_biplot3D(dataset, pca.result, column.class = NULL, pcas = c(1, 2, 3))

Value

No return value, called for its side effect of plotting.

Arguments

dataset

Dataset used in the PCA.

pca.result

PCA result object.

column.class

Optional metadata column used for colouring groups.

pcas

Principal components to plot.

Examples

# \donttest{
datamat <- matrix(
  rnorm(20),
  nrow = 4,
  dimnames = list(paste0("x", 1:4), paste0("s", 1:5))
)
metadata <- data.frame(class = factor(c("A", "A", "B", "B", "A")))
dataset <- list(data = datamat, metadata = metadata)
pca_res <- pca_analysis_dataset(dataset)
pca_biplot3D(dataset, pca_res, column.class = "class")
# }