Calculates the RMS intrinsic and parameter-effects curvatures of a nonlinear regression model. The curvatures are global measures of assessing whether a model/data set combination is close-to-linear or not. See Bates and Watts (1980) <doi:10.1002/9780470316757> and Ratkowsky and Reddy (2017) <doi:10.1093/aesa/saw098> for details.
| Version: | 1.1.2 |
| Depends: | R (≥ 4.2.0) |
| Imports: | numDeriv (≥ 2016.8-1.1), MASS |
| Published: | 2025-09-26 |
| DOI: | 10.32614/CRAN.package.IPEC |
| Author: | Peijian Shi [aut, cre], Peter M. Ridland [aut], David A. Ratkowsky [aut], Yang Li [aut] |
| Maintainer: | Peijian Shi <pjshi at njfu.edu.cn> |
| License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| NeedsCompilation: | no |
| CRAN checks: | IPEC results |
| Reference manual: | IPEC.html , IPEC.pdf |
| Package source: | IPEC_1.1.2.tar.gz |
| Windows binaries: | r-devel: IPEC_1.1.2.zip, r-release: IPEC_1.1.2.zip, r-oldrel: IPEC_1.1.2.zip |
| macOS binaries: | r-release (arm64): IPEC_1.1.2.tgz, r-oldrel (arm64): IPEC_1.1.2.tgz, r-release (x86_64): IPEC_1.1.2.tgz, r-oldrel (x86_64): IPEC_1.1.2.tgz |
| Old sources: | IPEC archive |
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