ordinalCont (1.2)

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Ordinal Regression Analysis for Continuous Scales.

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

A regression framework for response variables which are continuous self-rating scales such as the Visual Analog Scale (VAS) used in pain assessment, or the Linear Analog Self-Assessment (LASA) scales in quality of life studies. These scales measure subjects' perception of an intangible quantity, and cannot be handled as ratio variables because of their inherent non-linearity. We treat them as ordinal variables, measured on a continuous scale. A function (the g function) connects the scale with an underlying continuous latent variable. The link function is the inverse of the CDF of the assumed underlying distribution of the latent variable. Currently the logit link, which corresponds to a standard logistic distribution, is implemented.

Maintainer: Maurizio Manuguerra
Author(s): Maurizio Manuguerra [aut, cre], Gillian Heller [aut]

License: GPL (>= 2)

Uses: boot

Released 5 months ago.


2 previous versions

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