createPCA: createPCA

In AslaugL/thesisToolsOmics: Tools for analysing and plotting metabolomics data.

createPCA

Description

Creates a PCA loadings plot using ggplot.

Usage

createPCA(
  df,
  principal_components = c(1, 2),
  plots = "scores",
  cutoff = NULL,
  features = NULL
)

Arguments

df	A tidy dataframe with at least sample_id, group, feature and value columns.
principal_components	Principal components to be used as x and y axis, default is 1 and 2.
plots	Which plots should be made? 'scores', 'loadings' or 'both'.
cutoff	Numerical value used to label all features with a loading >cutoff or <-cutoff. Default NULL.

Value

A PCA loadings plot.

AslaugL/thesisToolsOmics documentation built on April 3, 2022, 8:16 p.m.