Research Fundamentals Model Lab — runtime notices The browser uses webR 0.6.0 (https://webr.r-wasm.org/), the R statistical language compiled to WebAssembly. webR is distributed under its MIT license (vendor/webr/LICENSE.md). R is free software under the GNU General Public License; runtime distribution notices and individual package metadata are retained in vendor/webr/vfs. Source and license information: https://www.r-project.org/ and https://github.com/r-wasm/webr. The application model source is r/models.R, copied byte for byte from the accompanying Research Fundamentals Shiny app. It uses R's base/recommended stats functions. No third-party statistical JavaScript approximation is used for fitting or inference.