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: 1.1-1
Depends: R (≥ 2.8.1), PolynomF (≥ 0.93), SparseM (≥ 0.79), stats, utils, base
Published: 2012-08-09
Author: Ivan Marin-Franch, Kamila Zychaluk, and David H. Foster
Maintainer: Kamila Zychaluk <kamila.zychaluk at>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: no
In views: Psychometrics
CRAN checks: modelfree results


Reference manual: modelfree.pdf
Package source: modelfree_1.1-1.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X Snow Leopard binaries: r-release: modelfree_1.1-1.tgz, r-oldrel: modelfree_1.1-1.tgz
OS X Mavericks binaries: r-release: modelfree_1.1-1.tgz
Old sources: modelfree archive