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Type:

Package

Title:

Convert Models Between 'rxode2' and 'mrgsolve'

Version:

0.1.0

Description:

Provides an intermediate representation and file-oriented helpers for converting pharmacometric model code between 'rxode2' and 'mrgsolve'. The conversion uses a package-specific intermediate representation described by Hammami F (2026) "rxode2-mrgsolve-bridge" https://gitlab.com/fiha1/rxode2-mrgsolve-bridge.

URL:

https://gitlab.com/fiha1/rxode2-mrgsolve-bridge

BugReports:

https://gitlab.com/fiha1/rxode2-mrgsolve-bridge/-/issues

License:

MIT + file LICENSE

Encoding:

UTF-8

RoxygenNote:

7.3.2

Imports:

stats

Suggests:

mrgsolve, rxode2, testthat (≥ 3.0.0), withr

Config/testthat/edition:

NeedsCompilation:

Packaged:

2026-05-13 07:30:36 UTC; fiha

Author:

Firas Hammami [aut, cre]

Maintainer:

Firas Hammami <fiha@genmab.com>

Repository:

CRAN

Date/Publication:

2026-05-18 18:40:07 UTC

Convert models between rxode2 and mrgsolve

Description

Provides a shared intermediate representation and file-oriented helpers for converting model code between rxode2 and mrgsolve.

Usage

parse_rxode2_model(rx_mod, theta, model_name = NULL, description = NULL)

parse_mrgsolve_model(model_code, model_name = NULL, description = NULL)

parse_mrgsolve_file(path, model_name = NULL, description = NULL)

ir_to_mrgsolve(ir, tab = "  ")

ir_to_rxode2(ir, model_name = NULL, include_observables_block = FALSE)

export_mrgsolve_model(ir, file, overwrite = TRUE)

export_rxode2_files(
  ir,
  out_dir = NULL,
  model_name = NULL,
  theta_name = "theta",
  model_file = "model_rxode2.R",
  theta_file = "theta.R",
  overwrite = TRUE
)

convert_rxode2_to_mrgsolve(
  rx_model,
  theta_file,
  theta_name = "theta",
  output_file = NULL,
  output_basename = NULL,
  out_dir = NULL,
  model_name = NULL,
  overwrite = TRUE
)

convert_mrgsolve_to_rxode2(
  mrgsolve_file,
  output_basename = NULL,
  out_dir = NULL,
  rx_model_name = NULL,
  theta_name = "theta",
  model_file = NULL,
  theta_file = NULL,
  overwrite = TRUE
)

Arguments

rx_mod, rx_model

An rxode2 model object, rxode2 model code string, or, for rx_model, a path to an R file containing a named model object.

theta

Named numeric vector of parameter values.

theta_file

R file containing a named numeric theta vector.

theta_name

Name of the theta vector object to read or write.

model_code

Character string containing mrgsolve model code.

path, mrgsolve_file

Path to an mrgsolve model file.

ir

Model intermediate representation list.

file, output_file

Output mrgsolve file path.

out_dir

Output directory. Must be supplied explicitly by writing helpers; use tempdir() or tempfile()-based directories in examples and tests.

model_name, rx_model_name

Model name for metadata, lookup, or generated rxode2 object names.

model_file

Output file name for the rxode2 model file.

output_basename

Basename used to derive default output file names.

description

Optional model description.

tab

Indentation used when rendering mrgsolve code.

include_observables_block

Whether to render an explicit rxode2 observables block.

overwrite

Whether existing output files may be overwritten.

Details

Default wrapper output names are derived from the input basename: <input>_mrgsolve.cpp for rxode2 to mrgsolve, and <input>_rxode.R plus <input>_rxode_theta.R for mrgsolve to rxode2. The wrappers only use these generated names after the caller supplies an explicit output directory, or after the caller supplies a complete output file path.

Value