随着我国企业对质量改进重要性的不断深入了解，越来越多的企业开始重视质量改进在企业中的应用。质量改进对提高产品质量、消除浪费、降低生产成本、改善产品服务等有着非常巨大的推动作用。质量改进的方法有很多种，各有各的优点。多元回归分析法是其中的一种重要方法。多元回归分析发能通过建立数学模型对不同质量影响因素的作用及关系进行定量描述。多元回归分析在质量改进中的应用正逐步成熟和完善，作用也越显明显。
As the enterprises of our country improve the understanding to quality constantly in depth of importance, more and more enterprises begin to pay attention to the application that quality improves in enterprises. Quality is improved there are very enormous impetuses in raising product quality, dispelling wasting, reducing the production cost, improving the service of goods etc.. There are many kinds of improved methods of quality, everybody has his own advantages. It is an important method among them that pluralism returns to the analytic approach. Pluralism return to analyzes that taking place can describe function and relation of the influence factor of different quality quantitatively through establishing mathematical model. Pluralism comes back analyzes the application in quality is improved is ripe and complete
本文首先从总体上介绍了质量改进的作用、质量改进的实施步骤和常用方法等相关知识。较为具体的的介绍了多元回归分析原理，包括多元回归模型的建立、参数估计、显著性检验和 检验。重点介绍了基于多元回归分析的点焊过程建模。最后，结合具体实例介绍了多元回归分析在焦炭质量改进中的应用。并对多元回归分析在质量改进中应用存在的问题及注意事项做了简要阐述。
This text has introduced relevant knowledge such as improved function of quality, the improved implementation step of quality and commonsense method on the whole at first. Comparatively concrete introduction pluralism come back, analyze principle, plural foundation, the parameter is estimated, significance test and examining of regression model. Have introduced some based on that pluralism is analyzed and welded course modeling especially. Finally, combined the concrete embodiment and introduced pluralism to analyze the application in coke quality is improved. And analyze that employ existing problem and attentive matters to explain briefly in quality is improved about pluralism.
关键词：多元回归；质量改进；显著性检验；方差分析；应用
Keyword: Pluralism will come back; Quality is improved; Test of significance; Analysis of variance; Application
Summary:
As the enterprises of our country improve the understanding to quality constantly in depth of importance, more and more enterprises begin to pay attention to the application that quality improves in enterprises. Quality improve to improve product quality, dispel, waste, reduce production cost, improve service of goods, have enormous impetus very. There are many kinds of improved methods of quality, everybody has his own advantages. It is an important method among them that pluralism returns to the analytic approach. Pluralism come back, analyze, it sends to be can through establish mathematical model carry on to different quality function and relation of influence factor quantitative to describe. Pluralism comes back analyzes the application in quality is improved is ripe and complete progressively, the more obvious and more apparent function is.
This text has introduced relevant knowledge such as improved function of quality, the improved implementation step of quality and commonsense method on the whole at first. Comparatively concrete introduction pluralism come back, analyze principle, plural foundation, the parameter is estimated, significance test and examining of regression model. Key introduction come back spot welding course modeling that analyze on the basis of pluralism. Finally, combined the concrete embodiment and introduced pluralism to analyze the application in coke quality is improved. And analyze that employ existing problem and attentive matters to explain briefly in quality is improved about pluralism.
Keyword: Pluralism will come back; Quality is improved; Test of significance; Analysis of variance; Application
部分机译
As China's enterprises to the importance of continuous quality improvement in-depth understanding, more companies pay attention to quality improvement in enterprise applications. Quality Improvement to improve product quality, eliminate waste, reduce production costs and improve services, and other products have a very great role in promoting. Improve the quality of a variety of methods, each have their own advantages. Multiple regression analysis is one of the important ways. Multiple regression analysis, through the establishment of mathematical models of different factors affect the quality of the role and relationship between the quantitative description. Multiple regression analysis to improve the quality of being mature and improve, the more significant role also obvious.
This article first introduced by the overall improvement of the quality of the role of the implementation of steps to improve the quality of commonly used methods and knowledge. More specific on the principle of multiple regression analysis, including multiple regression model, parameter estimation, was a significant test and inspection. Focus on the multiple regression analysis on the spot welding process modeling. Finally, with specific examples on the multiple regression analysis in improving the quality of coke in the application. And multiple regression analysis to improve the quality of the application of the existing problems and a brief note on.
Key words: multiple regression; quality improvement; significant test; variance analysis; application
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