How to plot Figure 7 of the reference?

Hi,

Can you share an example implementation of Figure 7 of the reference [here](https://www.semanticscholar.org/paper/A-unifying-framework-for-detecting-outliers-and-ch-Yamanishi-Takeuchi/1885b13d0e3e478d4f2034d3d469fba689543ef4).

thank you in advance.

![github](https://user-images.githubusercontent.com/24455098/32334194-262ff59e-bfea-11e7-91e3-e2fc300d2c6f.PNG)

