PCDimension

Finding the Number of Significant Principal Components

CRAN Package

Implements methods to automate the Auer-Gervini graphical Bayesian approach for determining the number of significant principal components. Automation uses clustering, change points, or simple statistical models to distinguish "long" from "short" steps in a graph showing the posterior number of components as a function of a prior parameter. See doi:10.1101/237883.


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