摘要
本文是用灰色预测GM(1,1)[4]模型,探讨了手机销售总数量动态变化,为手机生产提供参考。同时,用灰色关联度,来计算总销售量对需要预测的品牌影响,以关联度作为权重,来预测目标品牌。结果表明,对手机销售数量的历史趋势拟合程度较高,所以用此预测模型预测,具有一定的参考价值。
Gray Prediction GM （ 1,1 ） model is presented, of the total number of mobile phone sales of dynamic change. A reference for handset manufacturers is provided. At the same time, the gray relational grade, to calculate the total sales of the brand need to forecast the impact of correlation as a weight, to predict the target brand. The results show that sales of mobile phones fitted a higher degree of historical trends, the prediction model used in this forecast, with some reference value.
出处
《科学技术与工程》
2009年第20期6197-6199,共3页
Science Technology and Engineering
关键词
灰色预测
灰色关联度
权重
gray prediction gray correlation degree weight
