Estimation and Hypothesis Testing for Threshold Regression R package chngpt version 2024.11-15 Threshold regression models are also called two-phase regression, broken-stick regression, split-point regression, structural change models, and regression kink models, with and without interaction terms. Methods for both continuous and discontinuous threshold models are included, but the support for the former is much greater. This package is described in Fong, Huang, Gilbert and Permar (2017) <DOI:10.1186/s12859-017-1863-x> and the package vignette. Software Depends: R (>= 3.6) Imports: survival, splines, kyotil (>= 2020.10-12), boot, MASS, methods, lme4, parallel, RhpcBLASctl Suggests: R.rsp, RUnit, mvtnorm Youyi Fong <youyifong@gmail.com> Comprehensive R Archive Network (CRAN) Youyi Fong [cre], Qianqian Chen [aut], Shuangcheng Hua [aut], Hyunju Son [aut], Adam Elder [aut], Tao Yang [aut], Zonglin He [aut], Simone Giannerini [aut] GPL (>= 2) 2024-11-12 application/tgz https://CRAN.R-project.org/package=chngpt doi:10.32614/CRAN.package.chngpt