A Sparse PCA Approach to Clustering
Methodology
2016-02-18 v1 Machine Learning
Abstract
We discuss a clustering method for Gaussian mixture model based on the sparse principal component analysis (SPCA) method and compare it with the IF-PCA method. We also discuss the dependent case where the covariance matrix is not necessarily diagonal.
Keywords
Cite
@article{arxiv.1602.05236,
title = {A Sparse PCA Approach to Clustering},
author = {T. Tony Cai and Linjun Zhang},
journal= {arXiv preprint arXiv:1602.05236},
year = {2016}
}
Comments
This paper is part of a discussion of the paper "Important feature PCA for high dimensional clustering" by Jiashun Jin and Wanjie Wang to appear in The Annals of Statistics