214-29: Assessing Model Fit and Finding a Fit Model

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Outliers will affect the fit. There are techniques for detecting them Πsome better than others- but there is no universal way of dealing with them. Plots, smoothing plots such as PROC LOESS and PROC PRINCOMP help detect outliers. If there is a sound reason why the data point should be disregarded then the outlier may be deleted form analysis.

  Model, Detecting, Outliers, Model fit, For detecting