Dimensionality Reduction with Sparse Locality for Principal Component Analysis

Table 1

The comparison of the DR models and their properties.

	Algorithm	Model	Constraints	Parameters
1	PCA			No
2	LPP			k or e
3	GRSDA		None	k
4	L1/2-GLPCA			k
5	p-GLPCA			k
6	Proposed			No