Categorized Quantile-Quantile Plot Button

Click the Categorized Quantile-Quantile Plot button to display the Categorized Quantile-Quantile Plots dialog. In this Stats graph, you can visually check for the fit of a theoretical distribution to the observed data by examining each quantile-quantile (or Q-Q) plot for the respective level of the grouping variable (or user-defined subset of data). In this plot, the observed values of a variable are plotted against the theoretical quantiles. A good fit of the theoretical distribution to the observed values would be indicated by this plot if the plotted values fall onto a straight line. One component graph is produced for each level of the grouping variable (or user-defined subset of data) and all the component graphs are arranged in one display to allow for comparisons between the subsets of data (categories).

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