摘要
采用Holter-Winter非季节指数平滑模型、GM(1,1)模型和分段线性回归模型,对江苏省1978~2005年的全社会固定资产投资总额进行研究。结果表明,与其他两模型相比,分段线性回归模型具有较好的拟合效果,并预测了“十一五”期间的固定资产投资总额。
Investment in fixed assets of the whole society in Jiangsu province from 1978 to 2005 were studied by adopting Hoher-Winter no seasonal exponential smoothing model, GM (1,1) model and linear regression model in section. The conclusion indicated that linear regression model in section had a better fitting effect than the other two models. And the whole investment of fixed assets in Jiangsu province during the eleventh five year was forecasted.
出处
《安徽农业科学》
CAS
北大核心
2007年第5期1551-1553,共3页
Journal of Anhui Agricultural Sciences