一元线性回归在镀液分析中的应用  

Application of simple linear regression to analysis of plating bath

作　　者：丘山 丘丰源 丘星初 

机构地区：[1]广州市佳朋金属表面处理科技有限公司,广东广州511483

出　　处：《电镀与涂饰》2016年第12期643-650,共8页Electroplating & Finishing

摘　　要：简述了镀液分析中校准曲线的绘制方法。阐述了一元线性回归方程的求法,并以实例说明其计算过程和步骤。介绍了相关系数和剩余标准差的计算公式及其意义。给出了试样分析结果的相对误差的求法和比较方法。说明了回归参数的统计检验方法及其计算公式。给出了确定实际分析中2条回归直线可否合并的具体操作步骤及计算公式。The method for drawing a calibration curve for analysis of plating bath was described. The solution of simple linear regression equation as well as the related calculation and procedure were presented. The calculation of correlation coefficient and residual standard deviation and their meanings were introduced. The methods for calculating relative error of analysis result and for comparison between relative errors were given. The statistical tests of regression parameters and their related calculation equations were explained. The operation procedures and related calculation equations for determining whether two regression lines can be merged or not were provided.

关 键 词：镀液 分析 一元线性回归 校准曲线 相对误差 统计检验 

分 类 号：O651[理学—分析化学] TQ153[理学—化学]