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PLR also determined the exact time periods for each diffusion regime, which opens new possibilities for analyzing and understanding the mechanism of diffusion. The results demonstrate that the use of PLR is practical and leads to diffusion estimates that may be quite different from the graphical method. An alternative statistical method, piecewise linear regression (PLR) is presented and applied to experimental data. To add a regression line, choose 'Layout' from the 'Chart Tools' menu. This method suffers from subjectivity and therefore its estimated diffusion parameters are not very reliable. We can chart a regression in Excel by highlighting the data and charting it as a scatter plot. Correlation is closely related to simple linear regression.
Linear regression excel 2010 software#
The plots of these models often have a multi-linear nature, and in general, the graphical method is employed to analyze the data in which the linear segments are determined visually. In order to find this equation, we need to check to see if your version of Excel contains the Data Analysis ToolPak necessary to run a regression analysis. Inspection of a scatterplot will reveal whether association between two variables is linear. Artikel ini merupakan kelanjutan dari artikel sebelumnya: Aktivasi Add-Ins Analysis ToolPak.Analisis Regresi di dalam MS Excel 2007 atau 2010 dapat dilakukan dengan mudah tanpa perlu menggunakan alat atau software tambahan seperti SPSS, Minitab, dll.