基于卡方检验及主成分分析法的长沙市二手市场相关研究
Research on the Second-Hand Market in Changsha City Based on Chi-Square Test and Principal Component Analysis

随着时代的发展，各种生活物品的更新速度也在不断加快。而互联网二手商品交易平台的存在为大家买卖二手商品提供了平台，二手交易平台的出现促进了社会资源的再次利用，其绿色属性助力环保生活的实现。本文通过发放调查问卷，得到了长沙市民关于购买二手产品的详细信息。通过卡方检验，发现购买二手商品的意愿与受访者性别、收入和二手市场发展前景无关。最后，我们利用主成分分析法，得到了受访者对二手市场前景的态度，并探究了二手市场存在的相关问题。
With the development of The Times, the update speed of various life goods is also accelerating. The existence of the Internet second-hand commodity trading platform provides a platform for everyone to buy and sell second-hand commodities. The emergence of the second-hand trading platform promotes the reuse of social resources, and its green attributes help to realize the environmental protection life. This paper obtains more detailed information about the purchase of second-hand products among citizens of Changsha through questionnaires. Through Chi-square test, it is found that the willingness to purchase second-hand goods has nothing to do with the gender, income and development prospects of the second-hand market of the respondents. Finally, we use the principal component analysis to get the respondents’ attitude towards the prospect of the second-hand market and explore the related problems existing in the second-hand market.