Matrix, rsparse, recommenderlab (>= 0.2-7), MASS
Matrix, MatrixExtra, RhpcBLASctl, recosystem, recommenderlab
(>= 0.2-7), MASS, knitr, rmarkdown, kableExtra
Matrix, MatrixExtra, RhpcBLASctl, recosystem (>= 0.5),
recommenderlab (>= 0.2-7), MASS, knitr, rmarkdown, kableExtra