title 'QQ Plot'; plot r.*nqq. / noline mse cframe=ligr modellab="'Best' Two-Parameter Model:"; run; Output 55.8.1: Normal Probability-Probability Plot for the Residuals Output 55.8.2: Normal ...

Figure 2: Q–Q (normal probability) plots compare the differences between two distributions by showing how their quantiles differ. Multiple regression is one of the most powerful tools in the ...

(Back to top) Here is an example of a plot for a pair of standardised level 2 residuals from a repeated measures data set: The x-axis refers to intercept residuals and the y-axis to slope residuals.