{
  "dossier_type": "neutrale_tellingen",
  "scope_beleid": "Dit dossier bevat alleen neutrale categorietellingen (cases per provincie/regio/vertical), geen bewijs- of oordeelcellen over een specifiek bureau — de n>=10/differencing-eis van de Onderzoekstandaard geldt daar niet voor. Elke opgenomen cel volgt letterlijk of rekenkundig uit de gepubliceerde paginatekst van /onderzoek/b2b-ecommerce-oost-nederland en /onderzoek/ecommerce-groningen-twente-achterhoek, of is zo'n neutrale telling; wat geen van beide is (de rauwe 4x4-verwarringsmatrix, het niet-gepubliceerde 'zonder Utrecht'-controlescenario) is weggelaten.",
  "meting": "client_selling_model + gecorrigeerde vertical-labels",
  "datum": "2026-08-02",
  "gate": "directory-gate: agency_profile_summaries INNER JOIN, do_not_contact = false, deleted_at is null, holding-dedup via agency_parent_dedup_flags",
  "noemers": {
    "selling_model": "agency_cases met client_selling_model is not null. Dit veld is handmatig dubbel gelabeld over de cases die de pijplijn als client_vertical = 'e-commerce' aanmerkte; 680 van die 707 cases hebben een label. Percentages in de publicatie laten 'unclear' UIT de noemer.",
    "vertical": "coalesce(client_vertical_verified, client_vertical), minus not_a_client_industry = true en 'unclear' — exact dezelfde noemer als lib/city-stats.ts gebruikt voor de sector-as (R-055)."
  },
  "let_op": "province/city is de vestigingsplaats van het BUREAU dat de case publiceert, niet van de opdrachtgever. Elke uitspraak hieronder gaat over publicatiegedrag van bureaus, niet over waar bedrijven zitten.",
  "betrouwbaarheid_selling_model": {
    "bron": "blinde dubbele codering, ronde 1 tegen ronde 2, n = 649",
    "kappa_vier_categorieen": 0.6,
    "kappa_binair_b2b_consument": 0.88,
    "verschillen": 102,
    "verschillen_met_unclear": 91,
    "directe_b2b_consument_botsing": 5,
    "noot": "De onderliggende 4x4-verwarringsmatrix (ronde 1 x ronde 2) is niet gepubliceerd en niet opgenomen."
  },
  "selling_model_by_province": [
    {
      "province": "Noord-Holland",
      "n": 188,
      "b2b": 6,
      "consumer": 170,
      "both": 3,
      "unclear": 9
    },
    {
      "province": "Noord-Brabant",
      "n": 135,
      "b2b": 9,
      "consumer": 107,
      "both": 8,
      "unclear": 11
    },
    {
      "province": "Zuid-Holland",
      "n": 87,
      "b2b": 6,
      "consumer": 68,
      "both": 2,
      "unclear": 11
    },
    {
      "province": "Gelderland",
      "n": 66,
      "b2b": 14,
      "consumer": 43,
      "both": 5,
      "unclear": 4
    },
    {
      "province": "Overijssel",
      "n": 65,
      "b2b": 9,
      "consumer": 49,
      "both": 1,
      "unclear": 6
    },
    {
      "province": "Utrecht",
      "n": 54,
      "b2b": 6,
      "consumer": 40,
      "both": 2,
      "unclear": 6
    },
    {
      "province": "Groningen",
      "n": 46,
      "b2b": 1,
      "consumer": 36,
      "both": 2,
      "unclear": 7
    },
    {
      "province": "Friesland",
      "n": 13,
      "b2b": 3,
      "consumer": 7,
      "both": 0,
      "unclear": 3
    },
    {
      "province": "Limburg",
      "n": 11,
      "b2b": 1,
      "consumer": 10,
      "both": 0,
      "unclear": 0
    },
    {
      "province": "Flevoland",
      "n": 7,
      "b2b": 0,
      "consumer": 4,
      "both": 1,
      "unclear": 2
    },
    {
      "province": "Zeeland",
      "n": 4,
      "b2b": 0,
      "consumer": 4,
      "both": 0,
      "unclear": 0
    },
    {
      "province": "Drenthe",
      "n": 4,
      "b2b": 0,
      "consumer": 4,
      "both": 0,
      "unclear": 0
    }
  ],
  "selling_model_by_regio": [
    {
      "regio": "Twente",
      "n": 38,
      "b2b": 7,
      "unclear": 3
    },
    {
      "regio": "Achterhoek",
      "n": 26,
      "b2b": 4,
      "unclear": 3
    },
    {
      "regio": "overig",
      "n": 616,
      "b2b": 44,
      "unclear": 53
    }
  ],
  "regio_definitie": {
    "Twente": [
      "Enschede",
      "Hengelo",
      "Almelo",
      "Oldenzaal",
      "Rijssen",
      "Borne",
      "Hellendoorn",
      "Wierden",
      "Haaksbergen",
      "Losser",
      "Tubbergen",
      "Dinkelland",
      "Twenterand"
    ],
    "Achterhoek": [
      "Doetinchem",
      "Groenlo",
      "Lichtenvoorde",
      "Winterswijk",
      "Eibergen",
      "Zutphen",
      "Lochem",
      "Aalten",
      "Varsseveld",
      "Ulft",
      "Terborg",
      "Zelhem",
      "Ruurlo",
      "Borculo",
      "Vorden"
    ]
  },
  "vertical_by_province": [
    {
      "province": "Groningen",
      "n": 237,
      "ecom": 46,
      "manu": 24
    },
    {
      "province": "Overijssel",
      "n": 628,
      "ecom": 68,
      "manu": 131
    },
    {
      "province": "Friesland",
      "n": 179,
      "ecom": 17,
      "manu": 49
    },
    {
      "province": "Noord-Brabant",
      "n": 1372,
      "ecom": 128,
      "manu": 405
    },
    {
      "province": "Noord-Holland",
      "n": 2446,
      "ecom": 203,
      "manu": 678
    },
    {
      "province": "Gelderland",
      "n": 882,
      "ecom": 72,
      "manu": 181
    },
    {
      "province": "Utrecht",
      "n": 762,
      "ecom": 54,
      "manu": 151
    },
    {
      "province": "Zuid-Holland",
      "n": 1509,
      "ecom": 98,
      "manu": 300
    },
    {
      "province": "Limburg",
      "n": 234,
      "ecom": 14,
      "manu": 42
    },
    {
      "province": "Flevoland",
      "n": 99,
      "ecom": 5,
      "manu": 17
    },
    {
      "province": "Drenthe",
      "n": 160,
      "ecom": 5,
      "manu": 24
    },
    {
      "province": "Zeeland",
      "n": 139,
      "ecom": 3,
      "manu": 20
    }
  ],
  "vertical_by_city_min40": [
    {
      "city": "Groningen",
      "province": "Groningen",
      "n": 189,
      "ecom": 45,
      "manu": 14
    },
    {
      "city": "Tilburg",
      "province": "Noord-Brabant",
      "n": 65,
      "ecom": 15,
      "manu": 10
    },
    {
      "city": "Veenendaal",
      "province": "Utrecht",
      "n": 68,
      "ecom": 14,
      "manu": 19
    },
    {
      "city": "Kampen",
      "province": "Overijssel",
      "n": 40,
      "ecom": 8,
      "manu": 5
    },
    {
      "city": "Hengelo",
      "province": "Overijssel",
      "n": 78,
      "ecom": 15,
      "manu": 23
    },
    {
      "city": "Alkmaar",
      "province": "Noord-Holland",
      "n": 56,
      "ecom": 10,
      "manu": 12
    },
    {
      "city": "Enschede",
      "province": "Overijssel",
      "n": 90,
      "ecom": 16,
      "manu": 14
    },
    {
      "city": "Deventer",
      "province": "Overijssel",
      "n": 56,
      "ecom": 8,
      "manu": 15
    },
    {
      "city": "Hoorn",
      "province": "Noord-Holland",
      "n": 49,
      "ecom": 7,
      "manu": 10
    },
    {
      "city": "Doetinchem",
      "province": "Gelderland",
      "n": 53,
      "ecom": 7,
      "manu": 17
    },
    {
      "city": "Harderwijk",
      "province": "Gelderland",
      "n": 40,
      "ecom": 5,
      "manu": 6
    },
    {
      "city": "Breda",
      "province": "Noord-Brabant",
      "n": 256,
      "ecom": 30,
      "manu": 62
    },
    {
      "city": "Groenlo",
      "province": "Gelderland",
      "n": 43,
      "ecom": 5,
      "manu": 14
    },
    {
      "city": "Alphen aan den Rijn",
      "province": "Zuid-Holland",
      "n": 56,
      "ecom": 6,
      "manu": 8
    },
    {
      "city": "Haarlem",
      "province": "Noord-Holland",
      "n": 145,
      "ecom": 15,
      "manu": 25
    },
    {
      "city": "Leeuwarden",
      "province": "Friesland",
      "n": 61,
      "ecom": 6,
      "manu": 20
    },
    {
      "city": "Eindhoven",
      "province": "Noord-Brabant",
      "n": 237,
      "ecom": 23,
      "manu": 84
    },
    {
      "city": "Rotterdam",
      "province": "Zuid-Holland",
      "n": 576,
      "ecom": 50,
      "manu": 92
    },
    {
      "city": "Amsterdam",
      "province": "Noord-Holland",
      "n": 1650,
      "ecom": 143,
      "manu": 464
    },
    {
      "city": "Sittard",
      "province": "Limburg",
      "n": 47,
      "ecom": 4,
      "manu": 6
    },
    {
      "city": "'s-Gravenhage",
      "province": "Zuid-Holland",
      "n": 220,
      "ecom": 18,
      "manu": 21
    },
    {
      "city": "Leiden",
      "province": "Zuid-Holland",
      "n": 62,
      "ecom": 5,
      "manu": 9
    },
    {
      "city": "Zwolle",
      "province": "Overijssel",
      "n": 139,
      "ecom": 11,
      "manu": 19
    },
    {
      "city": "Nijmegen",
      "province": "Gelderland",
      "n": 42,
      "ecom": 3,
      "manu": 9
    },
    {
      "city": "Arnhem",
      "province": "Gelderland",
      "n": 131,
      "ecom": 9,
      "manu": 22
    },
    {
      "city": "Apeldoorn",
      "province": "Gelderland",
      "n": 84,
      "ecom": 5,
      "manu": 22
    },
    {
      "city": "Almere",
      "province": "Flevoland",
      "n": 69,
      "ecom": 4,
      "manu": 14
    },
    {
      "city": "Utrecht",
      "province": "Utrecht",
      "n": 351,
      "ecom": 20,
      "manu": 55
    },
    {
      "city": "'s-Hertogenbosch",
      "province": "Noord-Brabant",
      "n": 158,
      "ecom": 9,
      "manu": 65
    },
    {
      "city": "Hilversum",
      "province": "Noord-Holland",
      "n": 104,
      "ecom": 5,
      "manu": 23
    },
    {
      "city": "Ede",
      "province": "Gelderland",
      "n": 54,
      "ecom": 2,
      "manu": 7
    },
    {
      "city": "Assen",
      "province": "Drenthe",
      "n": 42,
      "ecom": 1,
      "manu": 7
    },
    {
      "city": "Amstelveen",
      "province": "Noord-Holland",
      "n": 49,
      "ecom": 1,
      "manu": 24
    },
    {
      "city": "Hoogeveen",
      "province": "Drenthe",
      "n": 50,
      "ecom": 1,
      "manu": 6
    },
    {
      "city": "Amersfoort",
      "province": "Utrecht",
      "n": 92,
      "ecom": 1,
      "manu": 19
    },
    {
      "city": "Goes",
      "province": "Zeeland",
      "n": 49,
      "ecom": 0,
      "manu": 4
    },
    {
      "city": "Dordrecht",
      "province": "Zuid-Holland",
      "n": 47,
      "ecom": 0,
      "manu": 20
    }
  ],
  "vertical_by_city_oost_min20": [
    {
      "city": "Kampen",
      "province": "Overijssel",
      "n": 40,
      "ecom": 8,
      "manu": 5
    },
    {
      "city": "Hengelo",
      "province": "Overijssel",
      "n": 78,
      "ecom": 15,
      "manu": 23
    },
    {
      "city": "Enschede",
      "province": "Overijssel",
      "n": 90,
      "ecom": 16,
      "manu": 14
    },
    {
      "city": "Deventer",
      "province": "Overijssel",
      "n": 56,
      "ecom": 8,
      "manu": 15
    },
    {
      "city": "Doetinchem",
      "province": "Gelderland",
      "n": 53,
      "ecom": 7,
      "manu": 17
    },
    {
      "city": "Harderwijk",
      "province": "Gelderland",
      "n": 40,
      "ecom": 5,
      "manu": 6
    },
    {
      "city": "Groenlo",
      "province": "Gelderland",
      "n": 43,
      "ecom": 5,
      "manu": 14
    },
    {
      "city": "Lichtenvoorde",
      "province": "Gelderland",
      "n": 31,
      "ecom": 3,
      "manu": 11
    },
    {
      "city": "Zwolle",
      "province": "Overijssel",
      "n": 139,
      "ecom": 11,
      "manu": 19
    },
    {
      "city": "Nijmegen",
      "province": "Gelderland",
      "n": 42,
      "ecom": 3,
      "manu": 9
    },
    {
      "city": "Arnhem",
      "province": "Gelderland",
      "n": 131,
      "ecom": 9,
      "manu": 22
    },
    {
      "city": "Apeldoorn",
      "province": "Gelderland",
      "n": 84,
      "ecom": 5,
      "manu": 22
    },
    {
      "city": "Wijchen",
      "province": "Gelderland",
      "n": 27,
      "ecom": 1,
      "manu": 2
    },
    {
      "city": "Ede",
      "province": "Gelderland",
      "n": 54,
      "ecom": 2,
      "manu": 7
    },
    {
      "city": "Rijssen",
      "province": "Overijssel",
      "n": 23,
      "ecom": 0,
      "manu": 12
    },
    {
      "city": "Buren",
      "province": "Gelderland",
      "n": 24,
      "ecom": 0,
      "manu": 3
    },
    {
      "city": "Almelo",
      "province": "Overijssel",
      "n": 28,
      "ecom": 0,
      "manu": 5
    },
    {
      "city": "Zutphen",
      "province": "Gelderland",
      "n": 23,
      "ecom": 0,
      "manu": 5
    },
    {
      "city": "Lochem",
      "province": "Gelderland",
      "n": 22,
      "ecom": 0,
      "manu": 5
    }
  ],
  "toets_oost_vs_randstad": {
    "vergelijking": "Gelderland + Overijssel tegen de Randstad (Noord-Holland, Zuid-Holland en Utrecht), b2b-aandeel onder de gelabelde e-commerce-cases, 'unclear' uit de noemer",
    "randstad_provincies": ["Noord-Holland", "Zuid-Holland", "Utrecht"],
    "oost_provincies": ["Gelderland", "Overijssel"],
    "oost": {
      "b2b": 23,
      "n": 121
    },
    "randstad": {
      "b2b": 18,
      "n": 303
    },
    "chi2_yates": 15.44,
    "chi2_zonder_correctie": 16.9,
    "p_yates": 8.51e-5,
    "fisher_exact_tweezijdig": 9.85e-5,
    "kleinste_verwachte_cel": 11.7
  }
}