@article {csda2006,
	title = {Automatic dimensionality selection from the scree plot via the use of profile likelihood},
	journal = {Computational Statistics \& Data Analysis},
	volume = {51},
	number = {2},
	year = {2006},
	pages = {918{\textendash}930},
	doi = {10.1016/j.csda.2005.09.010},
	url = {http://doi.org/10.1016/j.csda.2005.09.010},
	author = {Zhu, Mu and Ghodsi, Ali}
}
