Research on Labor Cost in Budget Quota Based on PCA-MRA
刘怡蓉LIU Yi-rong;孙冰冰SUN Bing-bing
(中国电建成都勘测设计研究院有限公司,成都610072 )
( PowerChina Chengdu Engineering Corporation Limited,Chengdu 610072,China）
摘要:文章分析了影响定额人工单价的因素,通过主成分分析法将相关性较大的四类十一项影响因素提取为1个能综合反映原影响因素信息的新变量,采用多元回归方法构建了定额人工单价估算模型,并通过实际数据对模型进行了验证。模型预测结果与实际数据相比,误差为7.22%,具有较高的精度。结果表明可以通过国民经济核算、财政和物价、人民生活和社会保障、就业和工资及建筑业四类影响因素测算定额人工单价,该模型对未来分析定额人工单价具有实践指导意义。
Abstract: This article analyzes the factors that affect the cost in budget quota.Four categories and elever
influencing factors with high
correlation are extracted as a new variable that can comprehensively reflect the original influencing factors through PCA.MRA is used toconstruct an estimation model for the cost in budget quota, and the model is validated using actual data.Compared wih actual data, theprediction error of the model is 7.22%， which has high accuracy. The results show that the cost in budget quota can be estimated throughfour categories of influencing factors: national economic accounting.finance and price, people's livelilood and social security, employmentand wages, and construction industries. The model has practical guidling significance for future analysis of the standard unit price of labor.
关键词:定额人工单价;估算模型;主成分分析;多元回归分析;工程造价
Key words: labor cost in budget quota; estimation model; principal component analysis; multiple regressio analysis; engineering cost
价值工程-文章出处：刘怡蓉,孙冰冰.基于PCA-MRA定额人工单价分析[J].价值工程,2023,42(21):36-38. |
