Nickel-Cobalt Selectivity Prediction
Predict Ni/Co selectivity across a solvent-extraction separation. Lower MAE is better.
Metric
MAE (selectivity)
Baseline
Nickel-Cobalt Separation Predictor
Submissions
13
Updated
2026-06-17
Leaderboard
| Rank | Submitter | Model | Type | Score | Date |
|---|---|---|---|---|---|
| 1 | k.almeida | sel-gbm | Research implementation | 0.81 | 2026-06-17 |
| 2 | matereal | nico-separation-predictor | Reference model | 0.90 | 2026-06-11 |
| 3 | j.park | mlp | Baseline model | 1.04 | 2026-06-03 |
Entries are reference and research submissions on the open split. Scores are illustrative and require plant-specific validation for industrial use.
Task definition
Evaluation metric
MAE (selectivity)
Submission rules
- 1
Report MAE on selectivity for the official split.
Discussion
- s.Question
s.iyer
ML researcher · 2d
Are ensemble submissions allowed, or single-model only? Worth stating explicitly in the rules.
7 - maComment
matereal
Maintainer · 2d
Ensembles are allowed if reproducible from the submitted artifacts. We'll clarify in the next rules revision.
5
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