breathtestcore: Core Functions to Read and Fit 13c Time Series from Breath Tests

Reads several formats of 13C data (IRIS/Wagner, BreathID) and CSV. Creates artificial sample data for testing. Fits Maes/Ghoos, Bluck-Coward self-correcting formula using 'nls', 'nlme'. Methods to fit breath test curves with Bayesian Stan methods are refactored to package 'breathteststan'. For a Shiny GUI, see package 'dmenne/breathtestshiny' on github.

Version:	0.8.10
Depends:	R (≥ 4.1.0)
Imports:	assertthat, dplyr, ggfittext, ggplot2, broom (≥ 0.7.0), graphics, grid, MASS, methods, multcomp, nlme, purrr, readr, readxl, signal, stats, stringr, tibble (≥ 3.0.0), tidyr, tools, utils, xml2
Suggests:	base, gridExtra, qpdf, knitr, rmarkdown, testthat (≥ 2.99), breathteststan, covr
Published:	2025-10-28
DOI:	10.32614/CRAN.package.breathtestcore
Author:	Dieter Menne [aut, cre], Menne Biomed Consulting Tuebingen [cph], Benjamin Misselwitz [fnd], Mark Fox [fnd], Andreas Steingoetter [dtc], University Hospital of Zurich, Dep. Gastroenterology [fnd, dtc]
Maintainer:	Dieter Menne <dieter.menne at menne-biomed.de>
BugReports:	https://github.com/dmenne/breathtestcore/issues
License:	GPL-3
URL:	https://github.com/dmenne/breathtestcore,
NeedsCompilation:	no
SystemRequirements:	pandoc
CRAN checks:	breathtestcore results

Documentation:

Reference manual:	breathtestcore.html , breathtestcore.pdf
Vignettes:	Data formats (source, R code) Methods and concepts (source, R code)

Downloads:

Package source:	breathtestcore_0.8.10.tar.gz
Windows binaries:	r-devel: breathtestcore_0.8.10.zip, r-release: breathtestcore_0.8.10.zip, r-oldrel: breathtestcore_0.8.10.zip
macOS binaries:	r-release (arm64): breathtestcore_0.8.10.tgz, r-oldrel (arm64): breathtestcore_0.8.10.tgz, r-release (x86_64): breathtestcore_0.8.10.tgz, r-oldrel (x86_64): breathtestcore_0.8.10.tgz
Old sources:	breathtestcore archive

Reverse dependencies:

Reverse imports:

breathteststan

Linking:

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