mproves with more data sets available; see <a href="https://dmenne.github.io/gastempt/reference/stan_gastempt.html" class="external-link">stan_gastempt</a>. Some details can be found in <a href="https://menne-biomed.de/blog/ballot-and-bazaar" class="external-link">my blog</a>. The rationale for using Stan to fit non-linear curves is discussed <a href="https://menne-biomed.de/blog/breath-test-stan" class="external-link">here</a> for <sup>13</sup>C breath test data, but is equally valid for gastric emptying d