The mean R² (with standard deviations) between network responses and actual probabilities for 16 different input patterns in each of the four types of training sets.

The mean R2 (with standard deviations) between network responses and actual probabilities for 16 different input patterns in each of the four types of training sets.四类训练集中的每一类所对应的16种不同输入模式下，网络响应与实际概率之间的平均决定系数（R²）及其标准差。