mdscore: An R Package to Compute Improved Score Tests in Generalized Linear Models

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Authors Antônio H. M. da Silva-Júnior, Damião Nóbrega da Silva, Silvia L. P. Ferrari
Journal/Conference Name Journal of Statistical Software
Paper Category
Paper Abstract Improved score tests are modifications of the score test such that the null distribution of the modified test statistic is better approximated by the chi-squared distribution. The literature includes theoretical and empirical evidence favoring the improved test over its unmodified version. However, the developed methodology seems to have been overlooked by data analysts in practice, possibly because of the difficulties associated with the computation of the modified test. In this article, we describe the mdscore package to compute improved score tests in generalized linear models, given a fitted model by the glm() function in R. The package is suitable for applied statistics and simulation experiments. Examples based on real and simulated data are discussed.
Date of publication 2014
Code Programming Language R
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