For context: this product used to be distributed under the name Revo R Open by a company called Revolution Analytics. They renamed it Microsoft R Open, but it's

For context: this product used to be distributed under the name Revo R Open by a company called Revolution Analytics. They renamed it Microsoft R Open, but it's basically the same product: the GNU R distribution with Intel MKL in place of BLAS, and some custom stuff around working with data too large to fit in memory. But the package has been distributed for Linux since before Microsoft bough them.