基于LDA主题模型的新能源汽车网络社区用户消费者偏好研究  

Research on Consumer Preference of New Energy Vehicle Online Community Users Based on LDA Topic Model

作　　者：孙婧钰 Sun Jing-yu(Xi'an Vocational University of Automobile,Shaanxi Xi'an 710600)

机构地区：[1]西安汽车职业大学,陕西西安710600

出　　处：《内燃机与配件》2025年第5期135-137,共3页Internal Combustion Engine & Parts

基　　金：西安汽车职业大学专项科研计划项目“基于LDA主题模型的新能源汽车网络社区用户消费者偏好研究”(2023KJ005)。

摘　　要：以汽车之家新能源汽车活跃度前五的品牌为例,分析汽车网络社区中购车用户评论,对非结构化数据进行分析,得到比较规范的车评数据。从匹配情感词、修正情感倾向、情感分析三部分展开阐述,并将情感词表与评论数据相匹配,得出初始的情感系数,并以此衡量消费者的特征情感。研究新能源汽车领域用户情感特征,并结合新能源汽车产品参数对销量的影响,分析消费者的需求偏好,揭示消费者购买行为背后的动因和决策机制,从而深入分析属性特征背后的消费者情感态度对消费者购买决策的影响。Taking the top five active brands of new energy vehicles in Autohome as an example,this paper analyzes the user comments of car buyers in the automobile network community,analyzes the unstructured data,and obtains relatively standardized car review data.This paper elaborates on three parts:matching emotion words,correcting emotion tendency and emotion analysis,and matches the emotion word list with the comment data to get the initial emotion coefficient and measure the characteristic emotion of consumers.This paper studies the emotional characteristics of users in the field of new energy vehicles and combines the impact of product parameters of new energy vehicles on sales volume,analyzes consumers'demand preferences,reveals the motivation behind consumers'purchase behavior and decision-making mechanism,and further analyzes the impact of consumers'emotional attitude behind attribute characteristics on consumers'purchase decisions.

关 键 词：新能源汽车 汽车网络社区 数据分析 需求偏好 LDA主题模型 

分 类 号：U46[机械工程—车辆工程]