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nonmem2rx  

Converts 'NONMEM' Models to 'rxode2'
View on CRAN: Click here


Download and install nonmem2rx package within the R console
Install from CRAN:
install.packages("nonmem2rx")

Install from Github:
library("remotes")
install_github("cran/nonmem2rx")

Install by package version:
library("remotes")
install_version("nonmem2rx", "0.1.9")



Attach the package and use:
library("nonmem2rx")
Maintained by
Matthew Fidler
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2023-05-26
Latest Update: 2025-07-15
Description:
'NONMEM' has been a tool for running nonlinear mixed effects models since the 80s and is still used today (Bauer 2019 ). This tool allows you to convert 'NONMEM' models to 'rxode2' (Wang, Hallow and James (2016) ) and with simple models 'nlmixr2' syntax (Fidler et al (2019) ). The 'nlmixr2' syntax requires the residual specification to be included and it is not always translated. If available, the 'rxode2' model will read in the 'NONMEM' data and compare the simulation for the population model ('PRED') individual model ('IPRED') and residual model ('IWRES') to immediately show how well the translation is performing. This saves the model development time for people who are creating an 'rxode2' model manually. Additionally, this package reads in all the information to allow simulation with uncertainty (that is the number of observations, the number of subjects, and the covariance matrix) with a 'rxode2' model. This is complementary to the 'babelmixr2' package that translates 'nlmixr2' models to 'NONMEM' and can convert the objects converted from 'nonmem2rx' to a full 'nlmixr2' fit.
How to cite:
Matthew Fidler (2023). nonmem2rx: Converts 'NONMEM' Models to 'rxode2'. R package version 0.1.9, https://cran.r-project.org/web/packages/nonmem2rx. Accessed 05 Mar. 2026.
Previous versions and publish date:
0.1.0 (2023-05-26 21:20), 0.1.1 (2023-06-01 11:10), 0.1.2 (2023-07-03 19:20), 0.1.3 (2023-12-12 17:40), 0.1.4 (2024-05-30 00:50), 0.1.5 (2024-09-18 18:10), 0.1.6 (2024-11-28 20:30), 0.1.7 (2025-07-15 23:10), 0.1.8 (2025-08-29 22:00)
Other packages that cited nonmem2rx R package
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Other R packages that nonmem2rx depends, imports, suggests or enhances
Complete documentation for nonmem2rx
Functions, R codes and Examples using the nonmem2rx R package
Some associated functions: as.nonmem2rx . autoplot.nonmem2rx . nmcov . nmext . nminfo . nmlst . nmtab . nmxml . nmxmlCov . nonmem2rx . nonmem2rxRec . reexports . 
Some associated R codes: RcppExports.R . abbrec.R . abbrev.R . advan5.R . asNonmem2rx.R . buildParser.R . collectWarn.R . data.R . determineError.R . ext.R . input.R . linCmt.R . lst.R . model.R . nlme.R . nminfo.R . nmtab.R . nonmem2rx.R . omega.R . plot.R . print.R . pro.R . readCov.R . readInNonmemInput.R . records.R . reexport.R . replace.R . rxSolve.R . rxUiGet.R . rxUiGetGen.R . sub.R . tab.R . theta.R . validate.R . xml.R . zzz.R .  Full nonmem2rx package functions and examples
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