ggscreeplot: Screeplot for Principal Components

In duhanguler/ggbiplot: A ggplot2 based biplot

Description

Screeplot for Principal Components

Usage

  ggscreeplot(pcobj, type = c("pev", "cev"))

Arguments

pcobj	an object returned by prcomp() or princomp()
type	the type of scree plot. 'pev' corresponds proportion of explained variance, i.e. the eigenvalues divided by the trace. 'cev' corresponds to the cumulative proportion of explained variance, i.e. the partial sum of the first k eigenvalues divided by the trace.

Examples

data(wine)
wine.pca <- prcomp(wine, scale. = TRUE)
print(ggscreeplot(wine.pca))

duhanguler/ggbiplot documentation built on May 17, 2019, 3:14 a.m.