[
  {
    "column": "species",
    "description": "Observed penguin species: Adelie, Chinstrap, or Gentoo.",
    "unit": "category",
    "missing_count": 0
  },
  {
    "column": "island",
    "description": "Sampling island: Biscoe, Dream, or Torgersen.",
    "unit": "category",
    "missing_count": 0
  },
  {
    "column": "bill_length_mm",
    "description": "Bill length.",
    "unit": "mm",
    "missing_count": 2
  },
  {
    "column": "bill_depth_mm",
    "description": "Bill depth.",
    "unit": "mm",
    "missing_count": 2
  },
  {
    "column": "flipper_length_mm",
    "description": "Flipper length.",
    "unit": "mm",
    "missing_count": 2
  },
  {
    "column": "body_mass_g",
    "description": "Body mass.",
    "unit": "g",
    "missing_count": 2
  },
  {
    "column": "sex",
    "description": "Recorded sex: female or male; unavailable entries remain missing.",
    "unit": "category",
    "missing_count": 11
  },
  {
    "column": "year",
    "description": "Study year: 2007, 2008, or 2009.",
    "unit": "year",
    "missing_count": 0
  }
]