Test for association between the observed data and their systematic patterns of variations, that are often extracted by unsupervised learning. Systematic patterns may be captured by latent variables using principal component analysis (PCA), factor analysis (FA), and related methods. This allows one to, for example, obtain principal components (PCs) and conduct rigorous statistical testing for association between observed variables and PCs. Similarly, unsupervised clustering, such as Kmeans clustering, partition around medoids (PAM), and other algorithms, finds subpopulations among the observed variables. The jackstraw test can estimate statistical significance of cluster membership, so that one can evaluate the strength of membership assignments. This package also includes several related methods to support statistical inference and probabilistic feature selection for unsupervised learning.
Package details 


Author  Neo Christopher Chung <[email protected]>, John D. Storey <[email protected]>, Wei Hao <[email protected]> 
Maintainer  Neo Christopher Chung <[email protected]> 
License  GPL2 
Version  1.3 
Package repository  View on GitHub 
Installation 
Install the latest version of this package by entering the following in R:

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