You might find this an interesting read but I doubt it. https://medium.com/@lrhaushalter/pearson-correlation-3c367ce693ca https://www.hindawi.com/journals/scn/2020/8014958/ https://medium.com/@jose_81075/a-more-flexible-way-to-leverage-historical-user-behavior-as-a-risk-indicator-1d49d19fc198