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用BP-PLS方法评价城市路侧带行人服务水平

DOI: 10.3969/j.issn.1674-0696.2014.03.25, PP. 115-118

Keywords: 交通工程,BP-PLS模型,路侧带行人服务水平,trafficengineering,BP-PLSmodel,pedestrianservicelevelforsidewalks

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Abstract:

:?用BP神经网络偏最小二乘法(BP-PLS)对路侧带行人服务水平(PLOS)进行评价;利用了神经网络能够很好地描述评价结论与评价指标之间非线性关系的特性;偏最小二乘法弥补了BP模型在确定隐含层节点数和初始权值方法上的不足。案例验证表明:BP-PLS模型具有很好的预测效果和较高的拟合精度,可以作为一种行人服务水平评价方法。

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