# MetaboCoreUtils 1.9 ## MetaboCoreUtils 1.9.4 - Add function `mclosest` (issue [#20](https://github.com/rformassspectrometry/MetaboCoreUtils/issues/20)). ## MetaboCoreUtils 1.9.3 - `isotopologues` checks if provided m/z values are increasingly ordered. ## MetaboCoreUtils 1.9.2 - `countElements` returns `NA` for invalid elements instead of silently dropping them ( PR [#65](https://github.com/rformassspectrometry/MetaboCoreUtils/pull/65)). ## MetaboCoreUtils 1.9.1 - `countElements`, `subtractElements` and `addElements` returns `NA` if an input arguments is `NA` (issue [#61](https://github.com/rformassspectrometry/MetaboCoreUtils/issues/61), PR [#62](https://github.com/rformassspectrometry/MetaboCoreUtils/pull/62)). # MetaboCoreUtils 1.5 ## MetaboCoreUtils 1.5.2 - `substractElements` drops elements with zero counts (issue [#57](https://github.com/rformassspectrometry/MetaboCoreUtils/issues/55)). ## MetaboCoreUtils 1.5.1 - Add functions `formula2mz`, `adductFormula` and `multiplyElements` (issue [#55](https://github.com/rformassspectrometry/MetaboCoreUtils/issues/55)). # MetaboCoreutils 1.3 ## MetaboCoreUtils 1.3.8 - Support for heavy isotopes in `countElements`/`pasteElements`/`calculateMass` (issue [#53](https://github.com/rformassspectrometry/MetaboCoreUtils/issues/53)). ## MetaboCoreUtils 1.3.7 - Fix bug in `containsElements` function (issue [#51](https://github.com/rformassspectrometry/MetaboCoreUtils/issues/51)). ## MetaboCoreUtils 1.3.6 - Add functions for Kendrick mass defects. ## MetaboCoreUtils 1.3.5 - Add missing unit tests. ## MetaboCoreUtils 1.3.4 - Add `calculateMass` function. ## MetaboCoreUtils 1.3.3 - Vectorized versions for chemical mass functions. ## MetaboCoreUtils 1.3.2 - Function for conversion of migration time to effective mobility in CE-MS. ## MetaboCoreUtils 1.3.1 - Add isotope detection functionality. # MetaboCoreutils 1.1 ## MetaboCoreUtils 1.1.3 - Add isotope detection functionality. ## MetaboCoreUtils 1.1.2 - Add already charged adduct/ion to the adduct definition. ## MetaboCoreUtils 1.1.1 - Add `correctRindex` function. - Add `isotopologue` function to group isotopologues in MS spectra. # MetaboCoreutils 0.99 ## MetaboCoreUtils 0.99.1 - Add `[M+H-2(H2O)]+` adduct definition. ## MetaboCoreUtils 0.99.0 - Add package vignette and prepare for Bioconductor submission. # MetaboCoreutils 0.0 ## MetaboCoreUtils 0.0.3 - Add `internalStandards` and `internalStandardsNames` functions. ## MetaboCoreUtils 0.0.3 - Refactor `mass2mz` and `mz2mass` to support calculation of multiple adducts for multiple input values as well as user defined adduct definition. - Add functions `adducts` to return a `data.frame` with the (built-in) adduct definitions. ## MetaboCoreUtils 0.0.2 - Vectorize `mass2mz` and `mz2mass` and additional performance improvement. ## MetaboCoreUtils 0.0.1 - Add utility functions to work with chemical formulas: `pasteElements`, `countElements` and `standardizeFormula`. - Add utility functions to convert between m/z and monoisotopic masses based on provided ion adduct information.