| anyDuplicated.matrix | Finding Unique or Duplicated Rows or Columns for Atomic Matrices |
| duplicated.matrix | Finding Unique or Duplicated Rows or Columns for Atomic Matrices |
| grpDuplicated | Grouping by duplicated elements |
| grpDuplicated.default | Grouping by duplicated elements |
| grpDuplicated.matrix | Grouping by duplicated elements |
| unique.matrix | Finding Unique or Duplicated Rows or Columns for Atomic Matrices |