PCA, transpose and multicore functionality for big.matrix objects


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Documentation for package ‘bigpca’ version 1.0

Help Pages

bigpca-package PCA, transpose and multicore functionality for big.matrix objects
big.algebra.install.help Attempt to install the bigalgebra package
big.PCA PCA/Singular Value Decomposition for big.matrix
big.select Select a subset of a big.matrix
big.t Transpose function for big.matrix objects
bigpca PCA, transpose and multicore functionality for big.matrix objects
bmcapply A multicore 'apply' function for big.matrix objects
estimate.eig.vpcs Estimate the variance percentages for uncalculated eigenvalues
generate.test.matrix Generate a test matrix of random data
get.big.matrix Retrieve a big.matrix object
import.big.data Load a text file into a big.matrix object
PC.correct Correct a big.matrix by principle components
pca.scree.plot Make scree plots for any PCA
prv.big.matrix Tidier display function for big matrix objects
quick.elbow Quickly estimate the 'elbow' of a scree plot (PCA)
quick.pheno.assocs Quick association tests for phenotype
select.least.assoc Select subset of rows least associated with a categorical variable
subcor.select Selection of the most correlated variable subset
subpc.select Selection of a representative variable subset
svn.bigalgebra.install Attempt to install the bigalgebra package using SVN
thin Reduce one dimension of a large matrix in a strategic way
uniform.select Derive a subset of a large dataset