平衡样本 balanced sample
- 本文构造了一种平衡的三层次样本轮换模式,解决了三阶段抽样季度调查的三层次样本轮换问题。
A balanced three-layer sample rotation pattern is presented in this paper to solve the problem of rotation for the quarterly surveys with three-stage sampling designs. - 而内容平衡精度指数能比传统的总体预测精度更准确的评估预测算法的预测能力,有效的反映预测算法对样本不均衡问题的相容能力。
While the content-balancing accuracy index is much superior to the widely used overall prediction accuracy for evaluating prediction algorithms.
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