pca: PCA

In alexjgriffith/CCCA: Cross Condition ChIP Analyisis

Description

Normalizes a data matrix and then preformes quantile normalization using prcomp on the transform of the normalized data. The eigenvectors are returned in a list with the normalized data

Usage

pca(data, norm = "qn")

Arguments

data	The matrix to be analyzed
norm	The normalization method norm may either be a user provided function or one of the following rowSumOne all rows sum to 1 colSumOne all columns sum to 1 normRow all rows have mean 0 and sd 1 normCol all cols have mean 0 and sd 1 rowsVarOne all rows have sd 1 colsVarOne all cols have sd 1 qn quantile normalization none no normalization

Value

list($normData,$eigenVectors)

alexjgriffith/CCCA documentation built on May 10, 2019, 8:52 a.m.