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Modeling and Multivariate Methods - SAS

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518 Fitting Partial Least Squares Models Chapter 21<br />

Model Fit Options<br />

Figure 21.13 Distance Plots<br />

T Square Plot Shows a plot of T 2 statistics for each observation, along with a control limit. An<br />

observation’s T 2 statistic is calculated based on that observation’s scores on the extracted factors. For<br />

details about the computation of T 2 <strong>and</strong> the control limit, see “T2 Plot” on page 522.<br />

Diagnostics Plots Shows diagnostic plots for assessing the model fit. Four plot types are available: Actual<br />

by Predicted Plot, Residual by Predicted Plot, Residual by Row Plot, <strong>and</strong> a Residual Normal Quantile<br />

Plot (Figure 21.14). Plots are provided for each response

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