Research Article

Robust Medical Test Evaluation Using Flexible Bayesian Semiparametric Regression Models

Figure 4

Posterior estimates of from simulated bimodal data using a finite Polya tree prior ((a), solid line) and a mixture of finite Polya trees prior ((b), solid line). The dashed lines represent the true data density .
131232.fig.004a
(a)
131232.fig.004b
(b)