PanJen (1.6)

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A Semi-Parametric Test for Specifying Functional Form.

http://cran.r-project.org/web/packages/PanJen

A central decision in a parametric regression is how to specify the relation between an dependent variable and each explanatory variable. This package provides a semi-parametric tool for comparing different transformations of an explanatory variables in a parametric regression. The functions is relevant in a situation, where you would use a box-cox or Box-Tidwell transformations. In contrast to the classic power-transformations, the methods in this package allows for theoretical driven user input and the possibility to compare with a non-parametric transformation.

Maintainer: Cathrine Ulla Jensen
Author(s): Toke Emil Panduro <tepp@ifro.ku.dk>, Cathrine Ulla Jensen <cuj@ifro.ku.dk>

License: GPL (>= 2)

Uses: mgcv

Released about 2 years ago.


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