Multidimensional sparse array (3-way tensor) in R

Question

Using the Matrix package I can create a two-dimensional sparse matrix.

Can someone suggest a package that would allow me to create a multidimensional (speci

Answer 1

There's also the tensorr package, which looks promising in providing support for sparse tensors, and tensor decompositions like PARAFAC/CANDECOMP etc are also on the to-do list: https://cran.r-project.org/web/packages/tensorr/README.html