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


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install.packages("modelfree")

1.1-1 by Kamila Zychaluk, 7 years ago


http://www.modelfree.manchester.ac.uk, http://www.modelfree.liv.ac.uk, http://modelfree.r-forge.r-project.org/


Browse source code at https://github.com/cran/modelfree


Authors: Ivan Marin-Franch <[email protected]> , Kamila Zychaluk <[email protected]> , and David H. Foster <[email protected]>


Documentation:   PDF Manual  


Task views: Psychometric Models and Methods


GPL (>= 2) license


Depends on PolynomF, SparseM, stats, utils, base


See at CRAN