Local linear estimation of psychometric functions. Provides functions for nonparametric estimation of a psychometric function and for estimation of a derived threshold and slope, and their standard deviations and confidence intervals.For more details see Zychaluk and Foster (2009) <doi:10.3758/APP.71.6.1414> and Foster and Zychaluk (2007) <doi:10.1109/MSP.2007.4286564>.
| Version: | 1.2.1 | 
| Depends: | R (≥ 2.10) | 
| Imports: | SparseM, PolynomF, methods | 
| Published: | 2025-05-22 | 
| DOI: | 10.32614/CRAN.package.modelfree | 
| Author: | Ivan Marin-Franch | 
| Maintainer: | Kamila Zychaluk <Kamila.Zychaluk at liverpool.ac.uk> | 
| License: | LGPL (≥ 3) | 
| URL: | https://personalpages.manchester.ac.uk/staff/d.h.foster/software-modelfree/latest/home.html | 
| NeedsCompilation: | no | 
| CRAN checks: | modelfree results | 
| Reference manual: | modelfree.html , modelfree.pdf | 
| Package source: | modelfree_1.2.1.tar.gz | 
| Windows binaries: | r-devel: modelfree_1.2.1.zip, r-release: modelfree_1.2.1.zip, r-oldrel: modelfree_1.2.1.zip | 
| macOS binaries: | r-release (arm64): modelfree_1.2.1.tgz, r-oldrel (arm64): modelfree_1.2.1.tgz, r-release (x86_64): modelfree_1.2.1.tgz, r-oldrel (x86_64): modelfree_1.2.1.tgz | 
| Old sources: | modelfree archive | 
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