这是一个k-means聚类算法，将一个四维量（比如有明确物理意义的花瓣长宽花萼长宽)按照几个中心点分成几类-This is a k-means clustering algorithm, a four-dimensional volume (such as a clear physical meaning petals calyx length and width aspect) is divided into several categories according to several ce

根据过去一段时间的销售量，消费记录，预测商店的未来销售量(According to the sales volume and consumption record in the past period,Forecast the future sales volume of the store)