Title :
Combination Forecasting Model of Project Cost Based on SPSS
Author :
Rui Liu ; Yuqing Zhang
Author_Institution :
Sch. of Bus. Adm., North China Electr. Power Univ., Beijing
Abstract :
Cost estimation plays a significant role in bidding. However, the construction project cost does not remain constant for it is always influenced by various factors. On the basis of three kinds of usual forecasting models and SPSS software, this paper established a combination forecasting model to estimate the cost. The error check results indicated that the model does well in making an accurate forecasting.
Keywords :
construction industry; costing; exponential distribution; grey systems; project management; regression analysis; construction project cost; cost estimation; cubic exponential smoothing method; forecasting models; grey metabolism; regression equation; Biochemistry; Building materials; Costs; Economic forecasting; Environmental management; Equations; Machinery; Predictive models; Smoothing methods; Stability;
Conference_Titel :
Wireless Communications, Networking and Mobile Computing, 2008. WiCOM '08. 4th International Conference on
Conference_Location :
Dalian
Print_ISBN :
978-1-4244-2107-7
Electronic_ISBN :
978-1-4244-2108-4
DOI :
10.1109/WiCom.2008.1797