在矩阵损失下，找到预测指标的估计的最佳线性估计类。
Under the matrix loss, we find the best linear estimate class of the prediction index.
目的：生命早期阶段的骨密度值是预测后期骨骼状况的最佳指标。
AIM: Bone mineral density (BMD) in early stage of life can best predict later skeletal condition.
应用ROC曲线探讨CEA作为结直肠术后复发的预测指标的意义及最佳临界值的划分。
Receiver operating characteristic curve (ROC) was used to evaluate the cutoff value of S-CEA level as a predicting factor for the prognosis of CRC.
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