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    • 65. 发明申请
    • Dynamic standardization for scoring linear regressions in decision trees
    • 在决策树中评分线性回归的动态标准化
    • US20050027665A1
    • 2005-02-03
    • US10628546
    • 2003-07-28
    • Bo ThiessonDavid Chickering
    • Bo ThiessonDavid Chickering
    • G06E1/00G06E3/00G06F15/18G06G7/00G06N3/08
    • G06N99/005
    • The present invention relates to a system and method to facilitate data mining applications and automated evaluation of models for continuous variable data. In one aspect, a system is provided that facilitates decision tree learning. The system includes a learning component that generates non-standardized data that relates to a split in a decision tree and a scoring component that scores the split as if the non-standardized data at a subset of leaves of the decision tree had been shifted and/or scaled. A modification component can also be provided for a respective candidate split score on the decision tree, wherein the above data or data subset can be modified by shifting and/or scaling the data and a new score is computed on the modified data. Furthermore, an optimization component can be provided that analyzes the data and determines whether to treat the data as if it was: (1) shifted, (2) scaled, or (3) shifted and scaled.
    • 本发明涉及一种便于数据挖掘应用的系统和方法以及用于连续可变数据的模型的自动评估。 在一个方面,提供了一种便于决策树学习的系统。 该系统包括学习组件,该学习组件生成与决策树中的分割有关的非标准数据,以及评分组件,其如果在决策树的叶子的子集上的非标准化数据已被移位和/ 或缩放。 还可以在决策树上为相应的候选分割分数提供修改组件,其中可以通过移动和/或缩放数据来修改上述数据或数据子集,并且对修改的数据计算新分数。 此外,可以提供分析数据并确定是否对待数据的优化组件,如同是:(1)移位,(2)缩放,或(3)移位和缩放。