NMF                     Non-negative Matrix Factorization Algorithms
                        (NMF)
NTD                     Non-negative Tucker Decomposition Algorithms
                        (NTD)
NTF                     Non-negative CP Decomposition Algorithms (NTF)
jNMF                    Joint Non-negative Matrix Factorization
                        Algorithms (jNMF)
nnTensor-package        Non-Negative Tensor Decomposition
plotTensor3D            Plot function for visualization of tensor data
                        structure
recTensor               Tensor Reconstruction from core tensor (S) and
                        factor matrices (A)
siNMF                   Simultaneous Non-negative Matrix Factorization
                        Algorithms (siNMF)
toyModel                Toy model data for using NMF, NTF, and NTD
