This application was written by Dieter Menne at Menne Biomed Consulting, in cooperation with the Department of Gastroenterology of the University Hospital of Zürich and Claraspital Basel. Thanks to Benjamin Misselwitz, Mark Fox, Werner Schwizer and Andreas Steingötter.

• All code is GPL-3 Open Source and available on github.
• The core routines to fit data are in package breathtestcore, also on CRAN. Code examples are provided to run an analysis under R.
• For faster compilation, the Bayesian Stan-based fit functions are moved to package breathteststan, also on CRAN.
• Code for the Shiny web app is under development and currently only on github.
• For a runnable demo of the web app (i.e. the program you are looking at), see breathtestshiny.
• R packages shiny, rstan and nlme are used; for a full list, see here and here.
• To avoid installation hassles, use the Docker container on Docker hub or github which bundles packages dmenne/gastempt and dmenne/breathtestshiny.

Package versions used:

Packages breathtestcore (0.4.6.9000), breathteststan (0.4.7.9000), breathtestshiny (0.4.4.9003), rstan (2.19.2), StanHeaders (2.19.0), Shiny (1.4.0)