基于投影寻踪模型的互通式立交选型方法

On the Method of Choosing the Type About Interchange Based on Projection Pursuit Cluster Model

从统计学角度出发,将投影追踪模型应用到互通式立交选型评价体系中,通过遗传算法来实现互通式立交选型方案的模型求解,描述了该方法应用的关键步骤,并指出对于数据量充分、影响因素明确的准真系统,应用实例表明,采用投影寻踪模型进行方案决策更具有客观性．

On the basis of building the index system interchange type, the paper puts forward a new method of Projection Pursuit Cluster Model from the angle of statistics. By means of Genetic Algorithm, the paper describes the key steps of Projection Pursuit Cluster Model with an example, and points out that the method is more objective when applied in the decision-making system which contains aboundant data and legible properties.