| irlba | Find a few approximate singular values and corresponding singular vectors of a matrix. |
| partial_eigen | Find a few approximate largest eigenvalues and corresponding eigenvectors of a symmetric matrix. |
| prcomp_irlba | Principal Components Analysis |
| ssvd | Sparse regularized low-rank matrix approximation. |
| summary.irlba_prcomp | Summary method for truncated pca objects computed by 'prcomp_irlba'. |
| svdr | Find a few approximate largest singular values and corresponding singular vectors of a matrix. |