ESD                     Compute the empirical spectral distribution
                        (ESD) for a set of population eigenvalues
lambda_estimate         Generate sample eigenvalues from population
                        eigenvalues
linshrink               Linear-shrinkage estimator of population
                        eigenvalues.
linshrink_cov           Linear-shrinkage estimator of population
                        covariance matrix.
nlshrink                Package
nlshrink_cov            Non-linear shrinkage estimator of population
                        covariance matrix.
nlshrink_demo           Demonstration of non-linear shrinkage estimator
                        of population eigenvalues
tau_estimate            Non-linear shrinkage estimator of population
                        eigenvalues.
