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Changelog

Source: NEWS.md

version 0.8-4

CRAN release: 2023-09-13

  • Identical unit division and multiplication will now respect units_options(simplify = FALSE) reverting a change from #310; #355 @billdenney

  • Fix scale_units when both unit and trans are specified; #357

version 0.8-3

CRAN release: 2023-08-10

  • Remove tolerance from comparisons with logical operators, restoring behavior changed in previous release; #353 addressing #351

version 0.8-2

CRAN release: 2023-04-27

  • Names are preserved when doing unit conversions; #305 @billdenney

  • Identical units will always divide (/) and allow integer division (%/%). And, inverse units will always be able to multiply; #310 @billdenney

  • Compare units via ud_compare(), fixing inconsistent results for aliases and symbols; #339, #346, #347

  • Fix units<-() to treat an empty unit the same as NULL; #332

  • New as.data.frame() method for mixed_units; #309

  • Use short paths for database loading on Windows to fix UTF-16 issues; #342

  • Add example in the docs about reversing a ggplot2 units scale; #343

  • Force storage mode to double; #344 addressing #324

  • Fix units in transformed axis; #323

  • Consider unitless as radians in trigonometric functions; #328

version 0.8-1

CRAN release: 2022-12-10

  • fix %/% and %% if arguments have different units; #313

  • fix multiplier parsing for exp(log(x)) operations; #321

  • fix specification of secondary axes with scale_units; #326

version 0.8-0

CRAN release: 2022-02-04

  • enhance unit mapping for newly installed units; #290

  • remove deprecations: install_symbolic_unit, remove_symbolic_unit, install_conversion_constant, install_conversion_offset; #290

  • fix multipliers for round trip log-exp operations; #292

  • integrate ggplot2 scales (previously in the ggforce package) to automatically print axes with units; #294 addressing #164

  • fix all.equal.units for non-units current

  • fix zero power; #285

  • fix unique.units to support arrays and matrices, implement methods for duplicated and anyDuplicated

  • fix plot labels with spaces; #298 addressing #297

  • always add units to labels, including user-provided ones; as part of #298

  • new symbols/names with a percentage character are not allowed due to an upstream bug; #289

version 0.7-2

CRAN release: 2021-06-08

version 0.7-1

CRAN release: 2021-03-16

  • allow longer units grouping; #270 addressing #269 @bart1

  • fix regression in set_units method for mixed_units to ensure that ordering is preserved; #272 addressing #271

version 0.7-0

CRAN release: 2021-02-25

  • add load_units_xml to enable database reloading as well as loading user-provided unit systems; #254 addressing #243, #244

  • add install_unit and remove_unit for adding/removing custom user-defined symbols or names, with optional mapping to existing units; install_symbolic_unit, remove_symbolic_unit, install_conversion_constant, install_conversion_offset are deprecated; #261 addressing #89

  • add keep_units, a helper to apply functions that do not preserve units; #255 addressing #252

  • fix as_units(""), which is now equivalent to unitless; #199

  • fix plot axes for plot.formula and plot.data.frame; #213

  • fix arithmetic for powers above 1 and below -1; #264

  • improve arithmetic of logarithms; #249

  • export ud_are_convertible; #263 addressing #258 @cregouby

  • remove deprecations: as.units, as_cf, make_unit, parse_unit; #259

  • remove deprecated pre-computed ud_units database; #259

version 0.6-7

CRAN release: 2020-06-13

  • port isFALSE to fix regression in old R versions; #230 addressing #229

  • fix replacement operation for units objects; #233 addressing #232

  • fix compatibility with dplyr 1.0; #247 addressing #239

version 0.6-6

CRAN release: 2020-03-16

  • prettier str print for units and mixed units; #228 addressing #227

  • add compatibility with upcoming tibble v3.0.0; #225

version 0.6-5

CRAN release: 2019-10-08

  • skip test on CRAN to avoid issues with strict latin1 environments

version 0.6-4

CRAN release: 2019-08-22

  • fix support for weights with units in weighted.mean; #205

  • invalid names for new units now trigger a proper error message; #209 addressing #208

  • fix issues in strict latin1 environments; #202

version 0.6-3

CRAN release: 2019-05-03

  • improve platform dependent encodings handling; #183

  • don’t force as.numeric when unnecessary; #182 addressing #181

  • fix valgrind issues on CRAN and tidy up tests; #193 addressing #192

  • new method drop_units for data frames; #191 addressing #187

version 0.6-2

CRAN release: 2018-12-05

  • fix support for logarithms and decibels; #177 addressing #176
  • add delayed S3 registration mechanism for R >= 3.6.0

version 0.6-1

CRAN release: 2018-09-21

  • vectors with mixed units are now supported; #145

  • NA values for units now trigger a proper error message; #163

version 0.6-0

CRAN release: 2018-06-09

  • print units as [unit] more consistently, e.g. for single unit and in data.frames; #132

  • improve printing of unitless units; provide option to print something else than 1; #150

  • fix printing unitless in labels when negative_power is TRUE; #133

  • install_symbolic_unit now adds a dimensionless unit, integrated in the units system, meaning that prefixes on it work as well; #71

  • install_conversion_constant and install_conversion_offset now install a new unit that is a function of an existing udunits unit.; #71, #84

  • unit simplification can now be user-controlled by units_options; #89

  • set_units(15, mg/kg) is now no longer simplified to 1e-9 unitless; #89

  • directly uses the udunits2 C library; drop dependence on R package udunits2, fixing R package udunits2 memory leaks; #135

  • drops %*%, no longer gives warning when loading

version 0.5-1

CRAN release: 2018-01-08

version 0.5-0

CRAN release: 2018-01-07

  • deal with trigonometric functions for units degree; return units rad on inverse trigonometric functions.

  • Unit creation has been significantly refactored. units<- now accepts strings or quoted language objects on the right hand side, powered by new S3 methods for as_units. All valid unit symbols and unit names recognized by package ‘udunits2’ are now accepted. New user facing function make_units() (plural s) is also provided. See ?as_units for details. @t-kalinowski

  • new functions valid_udunits() and valid_udunits_prefixes() generate tidy dataframes listing all the valid unit names, symbols, and prefixes recognized by udunits. @t-kalinowski

  • new function install_symbolic_unit() for adding custom, user-defined units. @t-kalinowski

  • make_unit and parse_unit (singular unit) have been deprecated, please use as_units instead.

  • ud_units is no longer necessary and is soft-deprecated, and may be removed in a future release.

  • add %*% as an S3 generic; #54

  • add %% and %/% to Ops.units

  • support unary + and - ; #56

  • add seq method for units, converting units to those of the first argument

  • Deprecate as.dt for as_difftime, as.units for as_units and as_cf for deparse_unit

version 0.4-6

CRAN release: 2017-08-27

  • add all.equal method for units; #51

  • add deparse_unit to replace as_cf

  • add calender/time conversions between udunits time units like minutes from 1900-0-0, and R’s POSIXct and Date

  • add as_units to replace as.units

  • rename as.dt to as_difftime

version 0.4-5

CRAN release: 2017-06-14

  • add support for user-defined unit conversion; #31

  • allow for 1/n integer powers, as in set_units(1:10, m^-2) ^ 0.5; #29

  • properly set log units after log transform; #33

  • sin, cos and tan no longer complain when units is rad, and return unitless; #40

  • now allow for set_units(1:3, "°C") and also set_units(1:3, "degree_Celsius") by resolving names to symbols first; #43

  • set_units(x) with x numeric sets units to unitless; #41

version 0.4-4

CRAN release: 2017-04-20

  • fix a result units bug when multiplying or dividing units vectors of different length, #34

  • add a rep method for units vectors

version 0.4-3

CRAN release: 2017-03-25

  • support for set_units(1:10, m) which does not require to declare or define, m (m is resolved automatically from ud_units)