modelfree: Model-Free Estimation of a Psychometric Function

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.

Version: 1.2
Depends: R (≥ 2.10)
Imports: SparseM, PolynomF, methods
Published: 2023-05-20
DOI: 10.32614/CRAN.package.modelfree
Author: Ivan Marin-Franch ORCID iD [aut], Kamila Zychaluk [aut, cre, cph], David H. Foster ORCID iD [aut]
Maintainer: Kamila Zychaluk <Kamila.Zychaluk at>
License: LGPL (≥ 3)
NeedsCompilation: no
Materials: NEWS
CRAN checks: modelfree results


Reference manual: modelfree.pdf


Package source: modelfree_1.2.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
macOS binaries: r-release (arm64): modelfree_1.2.tgz, r-oldrel (arm64): modelfree_1.2.tgz, r-release (x86_64): modelfree_1.2.tgz, r-oldrel (x86_64): modelfree_1.2.tgz
Old sources: modelfree archive


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