@article {HomrighausenMcDonald2016,
	title = {On the Nystr{\"o}m and Column-Sampling Methods for the Approximate Principal Components Analysis of Large Data Sets},
	journal = {Journal of Computational and Graphical Statistics},
	volume = {25},
	number = {2},
	year = {2016},
	pages = {344{\textendash}362},
	url = {http://dx.doi.org/10.1080/10618600.2014.995799},
	author = {Homrighausen, Darren and McDonald, Daniel J.}
}
