FYI: Hans Sievertsen has released on demo program to create a specification curve on GitHub. In the example below, the graph displays 72 robustness checks.
https://github.com/hhsievertsen/speccurve
[ATTACH=CONFIG]temp_16075_1572469456165_939[/ATTACH]
https://github.com/hhsievertsen/speccurve
[ATTACH=CONFIG]temp_16075_1572469456165_939[/ATTACH]