{
  "eval_subset_statistics": {
    "name": "CodeReality-1T Evaluation Subset",
    "version": "1.0.0",
    "created": "2025-09-27",
    "total_size_gb": 15.1,
    "total_files": 280,
    "total_repositories": 2049,
    "average_size_mb": 55.2
  },
  "research_characteristics": {
    "multi_repo_files": {
      "count": 280,
      "percentage": 100.0,
      "description": "Files containing 5+ repositories each"
    },
    "commit_history": {
      "repos_with_commits": 2049,
      "percentage": 100.0,
      "average_commits_per_repo": 47.3
    },
    "cross_language_content": {
      "repos": 1495,
      "percentage": 73.0,
      "description": "Repositories with multiple programming languages"
    },
    "build_systems": {
      "repos_with_build_configs": 798,
      "percentage": 39.0,
      "common_systems": ["Makefile", "package.json", "build.gradle", "pom.xml"]
    },
    "issue_tracking": {
      "repos_with_issues": 1209,
      "percentage": 59.0,
      "average_issues_per_repo": 23.7
    }
  },
  "repository_size_distribution": {
    "small_repos": {
      "size_range": "< 10MB",
      "count": 800,
      "percentage": 39.0,
      "average_size_mb": 3.2
    },
    "medium_repos": {
      "size_range": "10-100MB",
      "count": 1100,
      "percentage": 53.7,
      "average_size_mb": 42.1
    },
    "large_repos": {
      "size_range": "> 100MB",
      "count": 149,
      "percentage": 7.3,
      "average_size_mb": 187.3
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  },
  "language_diversity": {
    "javascript_typescript": {
      "percentage": 35.0,
      "repos": 717,
      "description": "Includes React, Node.js, Angular projects"
    },
    "python": {
      "percentage": 20.0,
      "repos": 410,
      "description": "Data science, web frameworks, automation"
    },
    "java_c_cpp": {
      "percentage": 25.0,
      "repos": 512,
      "description": "Enterprise applications, system programming"
    },
    "mixed_other": {
      "percentage": 20.0,
      "repos": 410,
      "description": "Go, Rust, PHP, Ruby, etc."
    }
  },
  "evaluation_tasks_coverage": {
    "code_completion": {
      "suitable_repos": 1845,
      "percentage": 90.0,
      "function_count_estimate": 47500
    },
    "license_detection": {
      "suitable_repos": 2049,
      "percentage": 100.0,
      "known_licenses": 94,
      "unknown_licenses": 1955
    },
    "bug_detection": {
      "suitable_repos": 1209,
      "percentage": 59.0,
      "commit_pairs_available": 57600
    },
    "cross_language_translation": {
      "suitable_repos": 1495,
      "percentage": 73.0,
      "language_pairs": 156
    },
    "repository_classification": {
      "suitable_repos": 2049,
      "percentage": 100.0,
      "domain_categories": 11
    }
  },
  "quality_metrics": {
    "average_repo_stars": 12.7,
    "average_repo_forks": 3.2,
    "repos_with_readme": 1843,
    "repos_with_tests": 1332,
    "repos_with_docs": 1076
  },
  "metadata_completeness": {
    "basic_metadata": 100.0,
    "git_history": 100.0,
    "language_detection": 87.3,
    "license_info": 4.6,
    "security_analysis": 100.0,
    "build_configs": 39.0
  }
}