电视机近年销售情况调查分析

本文以中华人民共和国国家统计局——国家数据为基础,对电视机的销售数据进行主成分析和回归分析,结果表明电视机的销售情况与人们的需求情况密切相关但与市场供给情况关系不显著,说明电视机产业产能过剩。从而对长虹和海信两大电视机行业巨头的净利润进行时间序列分析并对未来五年净利润进行预测,总体揭示了电视机近年的销售情况。

Based on the data from the China National Bureau of statistics, through Principal Component Analysis and Regression Analysis, it shows that that TV sales is closely related to the consumers＇ demand, but not closely related to the market supply. We also analysized the sales data and net profit of Changhong and Hisense TV through a Time Series model to forecast the trend for the next five years. Above all, this paper sheded some light on the TV market in China for the last couple of years..