Bias Reduction in Exponential Family Nonlinear Models by Ioannis Kosmidis

  title={Bias Reduction in Exponential Family Nonlinear Models by Ioannis Kosmidis},
  author={Ioannis Kosmidis and Kimon Friar},
The modified-score functions approach to bias reduction (Firth, 1993) is continually gaining in popularity (e.g. Mehrabi & Matthews, 1995; Pettitt et al., 1998; Heinze & Schemper, 2002; Bull et al., 2002; Zorn, 2005; Sartori, 2006; Bull et al., 2007), because of the superior properties of the bias-reduced estimator over the traditional maximum likelihood estimator, particularly in models for categorical responses. Most of the activity is noted for logistic regression, where the bias-reduction… CONTINUE READING


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