Regression software programs graph the sample points and give the (cost-function) formula of the straight line that best fits the points.
回归软件程序将样本点用图表示，并且给出最拟合样本点的直线的价值函数公式。
In this model, a logistic regression function is induced from multiple decision trees, which are built based on different training sample sets respectively.
该模型通过对使用多个样本集分别训练出的多棵决策树预测函数进行逻辑回归来得到最终的预测函数。
The meaning of symbolic regression is that we are searching for a function that closely matches an unknown expression based on a finite set of sample data, in order to analyze and forecast data.
符号回归的含义是找出一个符号形式的数学公式，以指定的精度拟合相关变量的有限样本，以便于分析和预测。
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