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mkin: Kinetic Evaluation of Chemical Degradation Data

Calculation routines based on the FOCUS Kinetics Report (2006, 2014). Includes a function for conveniently defining differential equation models, model solution based on eigenvalues if possible or using numerical solvers. If a C compiler (on windows: 'Rtools') is installed, differential equation models are solved using automatically generated C functions. Non-constant errors can be taken into account using variance by variable or two-component error models <doi:10.3390/environments6120124>. Hierarchical degradation models can be fitted using nonlinear mixed-effects model packages as a back end <doi:10.3390/environments8080071>. Please note that no warranty is implied for correctness of results or fitness for a particular purpose.

Version:	1.2.10
Depends:	R (≥ 4.1.0)
Imports:	stats, graphics, methods, parallel,deSolve (≥ 1.35),R6,inline (≥ 0.3.19),numDeriv,lmtest,pkgbuild,nlme (≥3.1-151),saemix (≥ 3.2),rlang,vctrs
Suggests:	knitr,rbenchmark,tikzDevice,testthat,rmarkdown,covr,vdiffr,benchmarkme,tibble, stats4,readxl
Published:	2025-05-13
DOI:	10.32614/CRAN.package.mkin
Author:	Johannes Ranke [aut, cre, cph], Katrin Lindenberger [ctb] (contributed to mkinresplot()), René Lehmann [ctb] (ilr() and invilr()), Eurofins Regulatory AG [cph] (copyright for some of the contributions of JR 2012-2014)
Maintainer:	Johannes Ranke <johannes.ranke at jrwb.de>
BugReports:	https://github.com/jranke/mkin/issues/
License:	GPL-2 |GPL-3 [expanded from: GPL]
URL:	https://pkgdown.jrwb.de/mkin/
NeedsCompilation:	no
Language:	en-GB
Materials:	README,NEWS
In views:	DifferentialEquations
CRAN checks:	mkin results

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