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Package: gastempt 0.7.0

Dieter Menne

gastempt: Analyzing Gastric Emptying from MRI or Scintigraphy

Fits gastric emptying time series from MRI or 'scintigraphic' measurements using nonlinear mixed-model population fits with 'nlme' and Bayesian methods with Stan; computes derived parameters such as t50 and AUC.

Authors:Dieter Menne [aut, cre]

gastempt_0.7.0.tar.gz
gastempt_0.7.0.zip(r-4.7-x86_64)gastempt_0.7.0.zip(r-4.7-arm64)gastempt_0.7.0.zip(r-4.6-x86_64)gastempt_0.7.0.zip(r-4.6-arm64)
gastempt_0.7.0.tar.gz(r-4.7-arm64)gastempt_0.7.0.tar.gz(r-4.7-x86_64)gastempt_0.7.0.tar.gz(r-4.6-arm64)gastempt_0.7.0.tar.gz(r-4.6-x86_64)
gastempt_0.7.0.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
DESCRIPTION
card.svg |card.png
gastempt/json (API)

# Install 'gastempt' in R:

install.packages('gastempt', repos = c('https://cran.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/dmenne/gastempt/issues

Pkgdown/docs site:https://dmenne.github.io

Uses libs:

onetbb– Parallelism library for C++
c++– GNU Standard C++ Library v3

On CRAN:

onetbb cpp

2.70 score 384 downloads 13 exports 75 dependencies

Last updated from:0d454e61db. Checks:10 OK. Indexed: no.

Target	Result	Time
linux-devel-arm64	OK	361
linux-devel-x86_64	OK	356
source / vignettes	OK	633
linux-release-arm64	OK	398
linux-release-x86_64	OK	426
windows-devel-arm64	OK	466
windows-devel-x86_64	OK	543
windows-release-arm64	OK	441
windows-release-x86_64	OK	518
wasm-release	OK	231

Exports:linexp linexp_auc linexp_log linexp_slope nlme_gastempt powexp powexp_log powexp_slope run_shiny simulate_gastempt stan_gastempt stan_model_names t50

Dependencies:abind assertthat backports base64enc BH bslib cachem callr checkmate cli commonmark cpp11 desc digest distributional dplyr farver fastmap fontawesome fs generics ggplot2 glue gridExtra gtable htmltools httpuv inline isoband jquerylib jsonlite labeling later lattice lifecycle loo magrittr matrixStats memoise mime nlme numDeriv otel pillar pkgbuild pkgconfig posterior processx promises ps QuickJSR R6 rappdirs RColorBrewer Rcpp RcppEigen RcppParallel rlang rstan S7 sass scales shiny sourcetools StanHeaders stringi stringr tensorA tibble tidyselect utf8 vctrs viridisLite withr xtable

Fitting gastric emptying curves

Vignette Info

Rendered fromgastempt.Rmdusingknitr::rmarkdown

Last update: 2024-12-04
Started: 2017-05-10

Citation

Readme and manuals

Help Manual

Help page	Topics
Extract coefficients from nlme_gastempt result	coef.nlme_gastempt
Extract coefficients from stan_gastempt result	coef.stan_gastempt
Functions for gastric emptying analysis	gastemptfunc linexp linexp_auc linexp_log linexp_slope powexp powexp_log powexp_slope
Simplified population fit of gastric emptying data	nlme_gastempt
Plot data points and fit curve of an nlme_gastempt fit	plot.nlme_gastempt
Plot data points and fit curve of an stan_gastempt fit	plot.stan_gastempt
Run shiny app demonstrating fit strategies with simulated data	run_shiny
Simulate gastric emptying data following a linexp or powexp function	simulate_gastempt
Fit gastric emptying curves with Stan	stan_gastempt
Names and descriptions of precompiled Stan models	stan_model_names
Compute half-emptying time from nlme parameters	t50

Package: gastempt 0.7.0

gastempt: Analyzing Gastric Emptying from MRI or Scintigraphy

Citation

Readme and manuals

Help Manual

Usage by other packages (reverse dependencies)