کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
9743353 1491188 2005 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A procedure to assess linearity by ordinary least squares method
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
A procedure to assess linearity by ordinary least squares method
چکیده انگلیسی
A detailed procedure for testing linearity of calibration curves in method validation by the ordinary least squares method (OLSM), including experimental design, estimation of the parameters, outlier treatment and evaluation of the assumptions, was proposed. The theoretical background was discussed and the assumptions considered were: (i) normality, homoscedasticity and independency of residuals and (ii) adjustment to the correct model. The procedure involved precise statistical techniques that were easily carried out by any commercial spreadsheet software. The suitability of the procedure for assessing linearity was demonstrated by the application in food analysis.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Analytica Chimica Acta - Volume 552, Issues 1–2, 3 November 2005, Pages 25-35
نویسندگان
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