Compute the Pearson correlation matrix between columns of two sparse matrices.
Details
Originally from https://stackoverflow.com/questions/5888287/running-cor-or-any-variant-over-a-sparse-matrix-in-r and the qlcMatrix package.
Compute the Pearson correlation matrix between columns of two sparse matrices.
Originally from https://stackoverflow.com/questions/5888287/running-cor-or-any-variant-over-a-sparse-matrix-in-r and the qlcMatrix package.