The distribution of grades assigned to a subset of tumour samples.

Grades (G1�CG3) assigned to a selection of ten breast tumour samples by 732 pathologists, with simulated results and parameter estimates from the Bayesian latent trait model.该数据集收录了732名病理学家对10份精选乳腺肿瘤样本所评定的分级（G1~G3），并附带贝叶斯潜特质模型（Bayesian latent trait model）的模拟结果与参数估计值。