Fig. 6

A matrix plot represents: the first 7 plots for Q–Q plot of the first 7 principal components, orderly, and the last two plots (plot 8 and 9) are T-Chart plot for countries based on principal factors
A matrix plot represents: the first 7 plots for Q–Q plot of the first 7 principal components, orderly, and the last two plots (plot 8 and 9) are T-Chart plot for countries based on principal factors