spmoran (version 0.1.6)

meigen0: Nystrom extension of Moran's eigenvectors

Description

This function estimates Moran's eigenvectors at predicted sites using the Nystrom extension.

Usage

meigen0( meig, coords0 )

Arguments

coords0

Matrix of spatial point coordinates of predicted sites (N_0 x 2)

meig

Moran's eigenvectors and eigenvalues. Output from meigen or meigen_f

Value

sf

Matrix of the first L eigenvectors at predicted sites (N_0 x L)

ev

Vector of the first L eigenvalues (L x 1)

ev_full

Vector of all eigenvalues (N x 1)

References

Drineas, P. and Mahoney, M.W. (2005) On the Nystrom method for approximating a gram matrix for improved kernel-based learning. Journal of Machine Learning Research, 6 (2005), 2153-2175.

See Also

meigen, meigen_f