{
  "@context": "https://schema.org",
  "@type": "Dataset",
  "denominator": "Published product records in each primary category; 'all' uses 1034 records. Each record contributes to exactly one category row.",
  "description": "How many published products have an eligible empty-weight value in each category, and what are the observed weight summaries?",
  "exclusions": "Held products are excluded. Missing, non-positive, unsupported-unit, or explicitly ineligible empty weights do not enter weight statistics. Values in kilograms are converted to grams; public display weights are already in grams.",
  "identifier": "sha256:e8ed76d911b766da6202e3ecdeccb18ca4b3500b0c9ca4196d7b9fda14f0bf39:empty-weight-by-category",
  "limitations": "Weights are published specifications, not independent measurements; included accessories and measurement protocols may differ. Secondary browsing categories are excluded from category totals. This describes the loaded catalogue and makes no market-representativeness claim.",
  "measurementTechnique": "Deterministic rules documented in denominator, exclusions, limitations and method_version.",
  "method_version": "1.0.0",
  "name": "Empty weight by category",
  "question": "How many published products have an eligible empty-weight value in each category, and what are the observed weight summaries?",
  "rows": [
    {
      "category": "all",
      "coverage_fraction": 0.981625,
      "eligible_weight_records": 1015,
      "maximum_g": 14424.24,
      "mean_g": 1128.87,
      "median_g": 793.79,
      "minimum_g": 15.0,
      "missing_or_excluded_records": 19,
      "product_records": 1034
    },
    {
      "category": "backpack",
      "coverage_fraction": 0.985043,
      "eligible_weight_records": 461,
      "maximum_g": 6100.0,
      "mean_g": 1258.57,
      "median_g": 1040.0,
      "minimum_g": 100.0,
      "missing_or_excluded_records": 7,
      "product_records": 468
    },
    {
      "category": "bike",
      "coverage_fraction": 1.0,
      "eligible_weight_records": 29,
      "maximum_g": 1950.45,
      "mean_g": 527.24,
      "median_g": 475.0,
      "minimum_g": 45.0,
      "missing_or_excluded_records": 0,
      "product_records": 29
    },
    {
      "category": "briefcase",
      "coverage_fraction": 1.0,
      "eligible_weight_records": 14,
      "maximum_g": 1406.14,
      "mean_g": 942.31,
      "median_g": 903.59,
      "minimum_g": 453.59,
      "missing_or_excluded_records": 0,
      "product_records": 14
    },
    {
      "category": "camera",
      "coverage_fraction": 0.888889,
      "eligible_weight_records": 8,
      "maximum_g": 2500.0,
      "mean_g": 1555.65,
      "median_g": 1995.81,
      "minimum_g": 420.0,
      "missing_or_excluded_records": 1,
      "product_records": 9
    },
    {
      "category": "crossbody",
      "coverage_fraction": 0.951456,
      "eligible_weight_records": 98,
      "maximum_g": 980.0,
      "mean_g": 327.75,
      "median_g": 300.25,
      "minimum_g": 99.22,
      "missing_or_excluded_records": 5,
      "product_records": 103
    },
    {
      "category": "duffel",
      "coverage_fraction": 0.982759,
      "eligible_weight_records": 57,
      "maximum_g": 4626.64,
      "mean_g": 1422.56,
      "median_g": 1179.34,
      "minimum_g": 120.0,
      "missing_or_excluded_records": 1,
      "product_records": 58
    },
    {
      "category": "luggage",
      "coverage_fraction": 0.989011,
      "eligible_weight_records": 90,
      "maximum_g": 14424.24,
      "mean_g": 3654.49,
      "median_g": 3400.0,
      "minimum_g": 680.4,
      "missing_or_excluded_records": 1,
      "product_records": 91
    },
    {
      "category": "messenger",
      "coverage_fraction": 1.0,
      "eligible_weight_records": 19,
      "maximum_g": 1210.0,
      "mean_g": 665.69,
      "median_g": 620.0,
      "minimum_g": 205.0,
      "missing_or_excluded_records": 0,
      "product_records": 19
    },
    {
      "category": "pouch",
      "coverage_fraction": 1.0,
      "eligible_weight_records": 103,
      "maximum_g": 498.95,
      "mean_g": 134.65,
      "median_g": 113.4,
      "minimum_g": 15.0,
      "missing_or_excluded_records": 0,
      "product_records": 103
    },
    {
      "category": "sling",
      "coverage_fraction": 0.981132,
      "eligible_weight_records": 52,
      "maximum_g": 880.0,
      "mean_g": 350.82,
      "median_g": 305.92,
      "minimum_g": 100.0,
      "missing_or_excluded_records": 1,
      "product_records": 53
    },
    {
      "category": "tote",
      "coverage_fraction": 0.943396,
      "eligible_weight_records": 50,
      "maximum_g": 2976.7,
      "mean_g": 612.63,
      "median_g": 578.33,
      "minimum_g": 80.0,
      "missing_or_excluded_records": 3,
      "product_records": 53
    },
    {
      "category": "waist",
      "coverage_fraction": 1.0,
      "eligible_weight_records": 34,
      "maximum_g": 530.0,
      "mean_g": 210.95,
      "median_g": 182.5,
      "minimum_g": 40.0,
      "missing_or_excluded_records": 0,
      "product_records": 34
    }
  ],
  "slug": "empty-weight-by-category",
  "snapshot": {
    "basis": "Canonical JSON of loaded published report inputs; sorted by record id.",
    "checked_through": "2026-10-16",
    "id": "sha256:e8ed76d911b766da6202e3ecdeccb18ca4b3500b0c9ca4196d7b9fda14f0bf39",
    "product_records": 1034,
    "rule_records": 77
  },
  "table": {
    "columns": [
      {
        "name": "category",
        "type": "Text"
      },
      {
        "name": "product_records",
        "type": "Integer"
      },
      {
        "name": "eligible_weight_records",
        "type": "Integer"
      },
      {
        "name": "missing_or_excluded_records",
        "type": "Integer"
      },
      {
        "name": "coverage_fraction",
        "type": "Number"
      },
      {
        "name": "mean_g",
        "type": "Number"
      },
      {
        "name": "median_g",
        "type": "Number"
      },
      {
        "name": "minimum_g",
        "type": "Number"
      },
      {
        "name": "maximum_g",
        "type": "Number"
      }
    ],
    "rows": [
      {
        "category": "all",
        "coverage_fraction": 0.981625,
        "eligible_weight_records": 1015,
        "maximum_g": 14424.24,
        "mean_g": 1128.87,
        "median_g": 793.79,
        "minimum_g": 15.0,
        "missing_or_excluded_records": 19,
        "product_records": 1034
      },
      {
        "category": "backpack",
        "coverage_fraction": 0.985043,
        "eligible_weight_records": 461,
        "maximum_g": 6100.0,
        "mean_g": 1258.57,
        "median_g": 1040.0,
        "minimum_g": 100.0,
        "missing_or_excluded_records": 7,
        "product_records": 468
      },
      {
        "category": "bike",
        "coverage_fraction": 1.0,
        "eligible_weight_records": 29,
        "maximum_g": 1950.45,
        "mean_g": 527.24,
        "median_g": 475.0,
        "minimum_g": 45.0,
        "missing_or_excluded_records": 0,
        "product_records": 29
      },
      {
        "category": "briefcase",
        "coverage_fraction": 1.0,
        "eligible_weight_records": 14,
        "maximum_g": 1406.14,
        "mean_g": 942.31,
        "median_g": 903.59,
        "minimum_g": 453.59,
        "missing_or_excluded_records": 0,
        "product_records": 14
      },
      {
        "category": "camera",
        "coverage_fraction": 0.888889,
        "eligible_weight_records": 8,
        "maximum_g": 2500.0,
        "mean_g": 1555.65,
        "median_g": 1995.81,
        "minimum_g": 420.0,
        "missing_or_excluded_records": 1,
        "product_records": 9
      },
      {
        "category": "crossbody",
        "coverage_fraction": 0.951456,
        "eligible_weight_records": 98,
        "maximum_g": 980.0,
        "mean_g": 327.75,
        "median_g": 300.25,
        "minimum_g": 99.22,
        "missing_or_excluded_records": 5,
        "product_records": 103
      },
      {
        "category": "duffel",
        "coverage_fraction": 0.982759,
        "eligible_weight_records": 57,
        "maximum_g": 4626.64,
        "mean_g": 1422.56,
        "median_g": 1179.34,
        "minimum_g": 120.0,
        "missing_or_excluded_records": 1,
        "product_records": 58
      },
      {
        "category": "luggage",
        "coverage_fraction": 0.989011,
        "eligible_weight_records": 90,
        "maximum_g": 14424.24,
        "mean_g": 3654.49,
        "median_g": 3400.0,
        "minimum_g": 680.4,
        "missing_or_excluded_records": 1,
        "product_records": 91
      },
      {
        "category": "messenger",
        "coverage_fraction": 1.0,
        "eligible_weight_records": 19,
        "maximum_g": 1210.0,
        "mean_g": 665.69,
        "median_g": 620.0,
        "minimum_g": 205.0,
        "missing_or_excluded_records": 0,
        "product_records": 19
      },
      {
        "category": "pouch",
        "coverage_fraction": 1.0,
        "eligible_weight_records": 103,
        "maximum_g": 498.95,
        "mean_g": 134.65,
        "median_g": 113.4,
        "minimum_g": 15.0,
        "missing_or_excluded_records": 0,
        "product_records": 103
      },
      {
        "category": "sling",
        "coverage_fraction": 0.981132,
        "eligible_weight_records": 52,
        "maximum_g": 880.0,
        "mean_g": 350.82,
        "median_g": 305.92,
        "minimum_g": 100.0,
        "missing_or_excluded_records": 1,
        "product_records": 53
      },
      {
        "category": "tote",
        "coverage_fraction": 0.943396,
        "eligible_weight_records": 50,
        "maximum_g": 2976.7,
        "mean_g": 612.63,
        "median_g": 578.33,
        "minimum_g": 80.0,
        "missing_or_excluded_records": 3,
        "product_records": 53
      },
      {
        "category": "waist",
        "coverage_fraction": 1.0,
        "eligible_weight_records": 34,
        "maximum_g": 530.0,
        "mean_g": 210.95,
        "median_g": 182.5,
        "minimum_g": 40.0,
        "missing_or_excluded_records": 0,
        "product_records": 34
      }
    ]
  },
  "title": "Empty weight by category",
  "variableMeasured": [
    "category",
    "product_records",
    "eligible_weight_records",
    "missing_or_excluded_records",
    "coverage_fraction",
    "mean_g",
    "median_g",
    "minimum_g",
    "maximum_g"
  ],
  "version": "1.0.0"
}