DoubleCenter            Construct and use DoubleCenter transformations
DoubleCenter-class      Row and column centering transformation
Invertiform-class       An abstract S4 class representing an invertible
                        transformation
NormalizedLaplacian     Construct and use the Normalized Laplacian
NormalizedLaplacian-class
                        Normalized graph Laplacian transformation
PerturbedLaplacian      Construct and use the Perturbed Laplacian
PerturbedLaplacian-class
                        Perturbed graph Laplacian transformation
RegularizedLaplacian    Construct and use the Regularized Laplacian
RegularizedLaplacian-class
                        Regularized graph Laplacian transformation
inverse_transform       Apply the inverse of an invertible
                        transformation
transform               Apply an invertible transformation
