If you are referring to the Kaggle machine learning competition (Season 3, Episode 19), the task was to predict Time Series Forecasting (specifically sales data).
This episode is highly regarded for its mix of slapstick comedy and a surprisingly grounded look at parent-child estrangement and reconciliation. 2. Riverdale: " Chapter Fifty-Four: Fear the Reaper " [S3E19] Beat the Parents
This episode revolves heavily around parent-child dynamics and high stakes. Jughead, Gladys, and FP Jones must go on a "quest" to save Jellybean from the Gargoyle King. Meanwhile, Archie deals with the fallout of his boxing match, and Betty discovers a dark secret about Evelyn’s past at The Farm. If you are referring to the Kaggle machine
Selina Kyle faces off against the Court of Owls and her own past, while Bruce Wayne undergoes "training" that involves letting go of the pain of his parents' deaths. Alfred tries to reach out to Jim Gordon to save Bruce from being turned into a puppet. Riverdale: " Chapter Fifty-Four: Fear the Reaper "
It serves as a major turning point for the Jones family, where the children effectively have to clean up the mess their parents created. 3. Gotham: " All Will Be Judged "