| center | Center a vector |
| cov.x | Covariance matrix |
| disvm | Subspace distance |
| gen.data | Simulate data |
| gOLS | Groupwise OLS (gOLS) |
| gOLS.comp.d | Groupwise OLS (gOLS) BIC criterion to estimate dimensions with eigen-decomposition |
| gSIR | Groupwise SIR (gSIR) for binary response |
| gSIR.comp.d | Groupwise SIR (gSIR) BIC criterion to estimate dimensions with eigen-decomposition (binary response) |
| matpower | Power of a matrix |
| norm1 | Normalize a vector |
| orthnormal | Gram-Schmidt orthonormalization |
| sOLS.comp.d | Structured OLS (sOLS) outer level BIC criterion to estimate dimension with eigen-decomposition |
| standmat | Matrix standardization |