{
  "context": "This evaluation assesses how well the engineer uses YACS to implement configuration file loading and merging. The focus is on proper use of CfgNode initialization, the merge_from_file() method, and handling different file formats.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "CfgNode instantiation",
      "description": "Uses CfgNode class from yacs.config to create the base configuration object in create_base_config()",
      "max_score": 15
    },
    {
      "name": "Nested configuration structure",
      "description": "Properly creates nested CfgNode objects for MODEL, TRAIN, and DATA sections with correct attribute assignment",
      "max_score": 15
    },
    {
      "name": "merge_from_file() usage",
      "description": "Uses the merge_from_file() method to load and merge configuration from external files",
      "max_score": 30
    },
    {
      "name": "YAML file handling",
      "description": "Successfully loads and merges YAML configuration files (.yaml or .yml extensions)",
      "max_score": 15
    },
    {
      "name": "Python file handling",
      "description": "Successfully loads and merges Python configuration files (.py extension with cfg variable)",
      "max_score": 15
    },
    {
      "name": "Configuration value access",
      "description": "Correctly accesses nested configuration values using dot notation or dictionary-style access (e.g., config.MODEL.TYPE or config['MODEL']['TYPE'])",
      "max_score": 10
    }
  ]
}