pca_biplot: PCA biplot

In specmine: Metabolomics and Spectral Data Analysis and Mining

Description

Shows a PCA biplot.

Usage

pca_biplot(dataset, pca.result, cex = 0.8, legend.cex = 0.8, 
x.colors = 1, inset = c(0, 0), legend.place = "topright", ...)

Arguments

dataset	list representing the dataset from a metabolomics experiment.
pca.result	prcomp object with the PCA results.
cex	cex value.
legend.cex	cex value of the legend.
x.colors	colors of a metadata's variable.
inset	inset parameter of legend function.
legend.place	legend place.
...	additional parameters passed to biplot function.

Examples

  ## Example of a PCA biplot
  library(specmine.datasets)
  data(cachexia)
  pca.result = pca_analysis_dataset(cachexia)
  pca_biplot(cachexia, pca.result, cex = 0.8)

specmine documentation built on Sept. 21, 2021, 5:06 p.m.