| colSds | Standard deviation of columns and rows of large matrices |
| colZeros | Number of zeros in columns and rows of large matrices |
| crossprod | Cross-product of large sparse matrices |
| dist | Compute similarity/distance between rows or columns of large matrices |
| mask | Create a pattern matrix for masking |
| rowSds | Standard deviation of columns and rows of large matrices |
| rowZeros | Number of zeros in columns and rows of large matrices |
| simil | Compute similarity/distance between rows or columns of large matrices |
| tcrossprod | Cross-product of large sparse matrices |