h2o (version 2.8.4.4)

screeplot.H2OPCAModel: Summarizes the columns of an H2O parsed FluidVecs data set.

Description

screeplot.H2OPCAModel, a method for the screeplot generic. Plots the variances against the number of the principal component generated by h2o.prcomp.

Usage

## S3 method for class 'H2OPCAModel':
screeplot(x, npcs = min(10, length(x@model$sdev)), type = "barplot", 
  main = paste("h2o.prcomp(", x@data@key, ")", sep=""), ...)

Arguments

x

An H2OPCAModel object.

npcs

Number of components to be plotted.

type

Type of plot, must be either "barplot" or "lines".

main

Title of the plot.

...

Additional parameters to be passed to the plotting function.

Examples

library(h2o)
localH2O = h2o.init()
ausPath = system.file("extdata", "australia.csv", package = "h2o")
australia.hex = h2o.importFile(localH2O, path = ausPath)
australia.pca = h2o.prcomp(data = australia.hex, standardize = TRUE)
screeplot(australia.pca)