To have predictive value, information need not be in the form of an explicit forecast.
资料要具有预测价值,不一定非要采取明确的预测形式。
Decision tree is an important method in induction learning as well as in data mining, which can be used to form classification and predictive model.
决策树是归纳学习和数据挖掘的重要方法,通常用来形成分类器和预测模型。
Methods: The split-half method and the equivalent form method were used, and the concurrent validity and predictive validity of the criterion-related validity were tested.
方法:采用分半相关法,复本法以及效标关联效度的同时效度和预测效度进行检验。
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