Introduction | aggregate_byname() | Pieces | rename_to_piece_byname() | aggregate_pieces_byname() | Aggregations of lists and data frames of matrices | Aggregation via dplyr::summarise() | Working with aggregation maps | Summary

Introduction | Problem 1 | Problem 2 | Problem 3 | matsbyname | matsbyname features | Setting row and column names | Setting row and column types | *_byname functions work well with lists | matsbyname works well with matsindf | Using matsbyname with matsindf | Suggested workflow using matsbyname and matsindf | Summary

Introduction | The basics | Some details | matsindf_apply() and data frames | Programming with matsindf_apply() | Conclusion

Introduction | Data: UKEnergy2000 | Suggested workflow | Prepare for collapse | Collapse | Duplicate (for purposes of illustration) | Verify data | Efficiencies | Expand | Report | Conclusion | References

Introduction | Use cases | Label structure | Working with row and column labels | Notation | Creating row and column labels | Manipulating row and column labels (prefixes and suffixes) | Vectors and lists of row and column labels | Nouns and prepositions | Working with row and column labels (nouns and prepositions) | Modifying row and column labels | Detecting strings in labels | Replacing strings in labels | Conclusion

Introduction | "Normal" functions | matsbyname::sum_byname() | Summary

Introduction | Data | Generate PCA results | Conclusion

Introduction | How the *apply_byname functions work | unaryapply_byname | elementapply_byname | binaryapply_byname | cumapply_byname | Summary

Introduction | An example | The problem | The fix | Wrap vector arguments in a list | Use the prep_vector_arg() function | Use a data frame | Summary