伴随着经济与交通行业的发展,越来越多的人出行时选择飞机作为他们的交通工具。虽然网络平台已经普及,但由于并不了解机票的定价机制,如何才能购买到最便宜的机票还是顾客们关心的焦点。因此,本文基于山海关机场的一条具体航线,对连续追踪了半年的时间序列数据建立了 ARMA 模型,并针对 ARMA 模型定阶,利用遗传算法得到最佳阶数,使模型更加可靠,以此作为顾客购买机票的依据,达到节省费用的效果。%How to get the cheapest air tickets is always the customers’ biggest concern. In this paper, we established the ARMA model based on the real data from an air route of Shanhaikwan airport. We employed the genetic algorithm method to determine the best model order, which made it more reliable and cost-saving.
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