Talk:Sparse PCA

Adding Least Squares SPCA
I am going to add LS SPCA, which is a variant of conventional SPCA, see

Merola, Giovanni Maria (2015-09). "Least Squares Sparse Principal Component Analysis: A Backward Elimination Approach to Attain Large Loadings". Australian & New Zealand Journal of Statistics. 57 (3): 391–429. doi:10.1111/anzs.12128.

and

Merola, Giovanni Maria; Chen, Gemai (2019-09). "Projection sparse principal component analysis: An efficient least squares method". Journal of Multivariate Analysis. 173: 366–382. doi:10.1016/j.jmva.2019.04.001. ISSN 0047-259X

I hope nobody has issues To stats or not to stats (talk) 16:58, 2 August 2023 (UTC)