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Figure 3 | BMC Medical Research Methodology

Figure 3

From: Bayesian model selection techniques as decision support for shaping a statistical analysis plan of a clinical trial: An example from a vertigo phase III study with longitudinal count data as primary endpoint

Figure 3

Vertigo data: PIT histograms for all candidate models. U-shaped histograms indicate under-dispersed predictive distributions, hump or inverse-U shaped histograms point at overdispersion, and skewed histograms occur when central tendencies are biased. Dashed gray lines show the histogram height corresponding to perfect calibration.

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