@article {discussion2001,
	title = {Discussion of \&quot;Dimension reduction and visualization in discriminant analysis\&quot; by Cook and Yin},
	journal = {Australian and New Zealand Journal of Statistics},
	volume = {43},
	number = {2},
	year = {2001},
	pages = {179{\textendash}185},
	author = {Hastie, Trevor J. and Zhu, Mu}
}
