pca_func: A function for PCA plotting with highlighting groups using...

In mdozmorov/MDmisc: MD miscellaneous functions

A function for PCA plotting with highlighting groups using ellipses

Description

Beautiful PCA plot

Usage

pca_func(
  data,
  groups,
  title = "",
  print_ellipse = TRUE,
  center = TRUE,
  scale = TRUE
)

Arguments

data	a sample-by-measures numeric matrix. Required
groups	a character vector of sample group assignment. Required
title	a title for the graph. Default: none
print_ellipse	highlight groups by ellipses, Default: TRUE
center	center the data for PCA, see ?prcomp. Default: TRUE
scale	scale the data for PCA, see ?prcomp. Default: TRUE

Value

ggplot2 object

Note

Source: https://shiring.github.io/machine_learning/2017/01/15/rfe_ga_post

Examples

## Not run: 
library(ellipse)
library(ggplot2)
pca_func(iris[, 1:3], groups = iris$Species, title = "Iris")

## End(Not run)

mdozmorov/MDmisc documentation built on Aug. 24, 2022, 9:18 a.m.