| as_difftime | convert units object into difftime object |
| as_units | Handle measurement units |
| as_units.call | Handle measurement units |
| as_units.character | Handle measurement units |
| as_units.Date | Handle measurement units |
| as_units.default | Handle measurement units |
| as_units.difftime | Handle measurement units |
| as_units.expression | Handle measurement units |
| as_units.name | Handle measurement units |
| as_units.POSIXt | Handle measurement units |
| as_units.symbolic_units | Handle measurement units |
| as_units.units | Handle measurement units |
| boxplot.units | boxplot for unit objects |
| deparse_unit | deparse unit to string in product power form (e.g. km m-2 s-1) |
| drop_units | Drop Units |
| drop_units.data.frame | Drop Units |
| drop_units.mixed_units | Drop Units |
| drop_units.units | Drop Units |
| hist.units | histogram for unit objects |
| install_conversion_constant | Install a conversion constant or offset between user-defined units. |
| install_conversion_offset | Install a conversion constant or offset between user-defined units. |
| install_symbolic_unit | Define new symbolic units |
| install_unit | Define or remove units |
| keep_units | Apply a function keeping units |
| load_units_xml | Load a unit system |
| make_units | Handle measurement units |
| make_unit_label | create axis label with appropriate labels |
| Math.units | Mathematical operations for units objects |
| mixed_units | Create or convert to a mixed units list-column |
| Ops.units | S3 Ops Group Generic Functions for units objects |
| plot.units | create axis label with appropriate labels |
| remove_symbolic_unit | Define new symbolic units |
| remove_unit | Define or remove units |
| seq.units | seq method for units objects |
| set_units | Handle measurement units |
| ud_are_convertible | Test if two units are convertible |
| unitless | The "unit" type for vectors that are actually dimension-less. |
| units | Handle measurement units |
| units.symbolic_units | Handle measurement units |
| units.units | Handle measurement units |
| units<-.logical | Handle measurement units |
| units<-.mixed_units | Create or convert to a mixed units list-column |
| units<-.numeric | Handle measurement units |
| units<-.units | Handle measurement units |
| units_options | set one or more units global options |
| valid_udunits | Get information about valid units |
| valid_udunits_prefixes | Get information about valid units |