Evaluation Metric The evaluation metric for this competition is Mean Square Error (MSE) Submission Format Submissions to the Kaggle leaderboard must take a specific form. Submissions should be a csv with two columns, "ID" and "Prediction" and 55822 rows corresponding to the test observations. Including the header row, there will be 55823 rows in the submission file. The "ID" is a unique numeric identifier from "1", "2", ... to "55822". The "Prediction" is your predicted flux for the test set.