variance of classified data 分类数据方差
actual cost variance data 实际成本差异数据
minimum variance data fusion 最小方差数据融合
Variance of timeseries data 时间序列数据的方差
Propose improvement plan as per reconciliation data variance;
依据手册核销数据差异提出改善性的措施。
Longitudinal data is typical related data, and it is desirable to choose correct data variance structure since the correct structure affects the efficiency of estimation.
纵向数据为典型的相关数据，数据方差结构选择的正确与否直接影响估计的效率。
Their results tend to have very high variance, which can be reduced only by large training sets and very static data.
它们的结果往往变动很大，只有通过大量的学习集和非常静态的数据，才能使结果稳定下来。
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