Functions to compute ridit scores of vectors, compute mean ridits and their standard errors for vectors compared to a reference vector, as described in Fleiss (1981, ISBN:0-471-06428-9), and compute means/SEs for multiple groups in matrices. Data can be either counts or proportions. Emphasis is on ridit analysis of ordered categorical data such as Likert items and pain-rating scales.
The DESCRIPTION file:
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Maintainer: Eric Bohlman <firstname.lastname@example.org>
Fleiss, Joseph L., (1981), Statistical Methods for Rates and Proportions. New York: John Wiley & Sons.
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