An implementation of Lind and Mehlum's (2010) <doi:10.1111/j.1468-0084.2009.00569.x> Utest to test for the presence of a U shaped or inverted U shaped relationship between variables in (generalized) linear models. It also implements a test of upward/downward sloping relationships at the lower and upper boundary of the data range.
| Version: | 0.4.0 | 
| Suggests: | testthat | 
| Published: | 2025-08-26 | 
| DOI: | 10.32614/CRAN.package.utest | 
| Author: | Jo Thori Lind | 
| Maintainer: | Jo Thori Lind <j.t.lind at econ.uio.no> | 
| License: | MIT + file LICENSE | 
| URL: | https://github.com/jotlind/utest | 
| NeedsCompilation: | no | 
| CRAN checks: | utest results | 
| Reference manual: | utest.html , utest.pdf | 
| Package source: | utest_0.4.0.tar.gz | 
| Windows binaries: | r-devel: utest_0.4.0.zip, r-release: utest_0.4.0.zip, r-oldrel: utest_0.4.0.zip | 
| macOS binaries: | r-release (arm64): utest_0.4.0.tgz, r-oldrel (arm64): utest_0.4.0.tgz, r-release (x86_64): utest_0.4.0.tgz, r-oldrel (x86_64): utest_0.4.0.tgz | 
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