center                  Center a vector
cov.x                   Covariance matrix
disvm                   Subspace distance
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)
gen.data                Simulate data
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
