Description Usage Arguments Value
Compute rank 1 sparse and functional principal components
1 2 |
X |
A data matrix. Considered n x p by convention. |
lambda_u |
Sparsity parameter for left singular vectors. |
lambda_v |
Sparsity parameter for right singular vectors. |
alpha_u |
Smoothness parameter for left singular vectors. |
alpha_v |
Smoothness parameter for right singular vectors. |
Omega_u |
Roughness penalty matrix (n x n) for left singular vectors. Must be positive semi-definite. |
Omega_v |
Roughness penalty matrix (p x p) for right singular vectors. Must be positive semi-definite. |
List with three named elements: left singular vector u, eigenval d, and right singular vector v.
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