ARC-Bench / tasks /ml /rubrics /ML09.json
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{
"id": "ml09-root",
"requirements": "A credible experiment comparing Bayesian optimization, grid search, and random search for RandomForest hyperparameter tuning: methods are implemented with comparable budgets, executed on multiple datasets, and results are mapped directionally to H1/H2/H3.",
"judging_note": "Score on scientific substance and directional correctness of evidence, not on exact numeric thresholds. If a well-motivated substitute (e.g., Hyperopt, Optuna, or a custom TPE-like surrogate) is used in place of a canonical Bayesian library, credit the scientific intent.",
"weight": 1,
"sub_tasks": [
{
"id": "ml09-code",
"requirements": "The tuning strategies and shared evaluation setup are implemented correctly.",
"weight": 2,
"sub_tasks": [
{
"id": "ml09-code-strategies",
"requirements": "The submission implements distinct code paths for grid search, random search, and a Bayesian-style search for RandomForestClassifier (or equivalent) rather than reusing identical sampled configurations across methods.",
"weight": 12.5,
"sub_tasks": [],
"task_category": "Code Development",
"finegrained_task_category": "Method Implementation"
},
{
"id": "ml09-code-space",
"requirements": "A shared hyperparameter space is defined (covering several meaningful RF hyperparameters such as n_estimators, max_depth, min_samples_split, min_samples_leaf, max_features) so search methods are fairly comparable.",
"weight": 6.25,
"sub_tasks": [],
"task_category": "Code Development",
"finegrained_task_category": "Hyperparameter Tuning"
},
{
"id": "ml09-code-data",
"requirements": "The code loads multiple sklearn classification datasets (e.g., wine, breast_cancer, digits, or comparable) and uses a consistent train/test split plus CV protocol across search methods.",
"weight": 6.25,
"sub_tasks": [],
"task_category": "Code Development",
"finegrained_task_category": "Dataset and Model Acquisition"
}
],
"task_category": null,
"finegrained_task_category": null
},
{
"id": "ml09-exec",
"requirements": "The benchmark is executed and logs optimization quality and efficiency metrics.",
"weight": 2,
"sub_tasks": [
{
"id": "ml09-exec-metrics",
"requirements": "Execution outputs numeric best_cv_score and test_accuracy (or equivalents) for each implemented method on at least one dataset in a machine-readable metrics artifact.",
"weight": 12.5,
"sub_tasks": [],
"task_category": "Code Execution",
"finegrained_task_category": "Evaluation, Metrics & Benchmarking"
},
{
"id": "ml09-exec-budget",
"requirements": "Execution evidences budget control: non-default search methods evaluate a roughly comparable number of configurations, so quality comparisons are not confounded by wildly different evaluation counts.",
"weight": 6.25,
"sub_tasks": [],
"task_category": "Code Execution",
"finegrained_task_category": "Experimental Setup"
},
{
"id": "ml09-exec-time",
"requirements": "Execution reports a wall-clock timing measure (e.g., search_time_sec) per method and dataset.",
"weight": 6.25,
"sub_tasks": [],
"task_category": "Code Execution",
"finegrained_task_category": "Evaluation, Metrics & Benchmarking"
}
],
"task_category": null,
"finegrained_task_category": null
},
{
"id": "ml09-results",
"requirements": "Results address H1/H2/H3 directionally and convey interpretable tradeoffs.",
"weight": 3,
"sub_tasks": [
{
"id": "ml09-result-h1",
"requirements": "The submission compares Bayesian optimization vs random search on best_cv_score across the evaluated datasets and conveys whether Bayesian search is meaningfully better on most \u2014 judge directionally against H1.",
"weight": 20.0,
"sub_tasks": [],
"task_category": "Result Analysis",
"finegrained_task_category": "Logging, Analysis & Presentation"
},
{
"id": "ml09-result-h2",
"requirements": "The submission compares random search vs grid search on best_cv_score and conveys whether random is at least competitive with grid on most datasets (H2).",
"weight": 10.0,
"sub_tasks": [],
"task_category": "Result Analysis",
"finegrained_task_category": "Logging, Analysis & Presentation"
},
{
"id": "ml09-result-h3",
"requirements": "The submission checks test_accuracy differences between the best Bayesian-tuned and best grid-tuned models and conveys whether any practical gain (H3) is observed on at least one dataset.",
"weight": 10.0,
"sub_tasks": [],
"task_category": "Result Analysis",
"finegrained_task_category": "Evaluation, Metrics & Benchmarking"
},
{
"id": "ml09-result-writeup",
"requirements": "The README or writeup reports per-dataset metrics, conveys per-hypothesis outcomes (supported / refuted / inconclusive), and discusses limitations such as small dataset set, budget tightness, surrogate instability, or CV variance. No strict word-count requirement.",
"weight": 10.0,
"sub_tasks": [],
"task_category": "Result Analysis",
"finegrained_task_category": "Logging, Analysis & Presentation"
}
],
"task_category": null,
"finegrained_task_category": null
}
],
"task_category": null,
"finegrained_task_category": null
}