{
 "record_id": "9dd3ef8baea1541e7438928532ebd498c89ffa88",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "Hedonic Valuation of Real Estate Properties in Nigeria",
  "year": 2018,
  "doi": "10.15641/jarer.v1i1.452",
  "country": "Nigeria",
  "region_city": "Lagos metropolis (Island submarket: Ikoyi, Victoria Island, Lekki)",
  "sample_start": 2010,
  "sample_end": 2016,
  "property_type": "mixed",
  "price_type": "transaction",
  "data_source": "Sales transactions collected from registered real estate firms (NIESV/ESVARBON), 321 observations, 256 used for estimation",
  "document_type": "journal",
  "estimators": [
   "OLS"
  ],
  "spatial_method": "none",
  "time_fe": false,
  "location_fe": false,
  "se_type": "OLS",
  "n_obs_total": 256,
  "ai_methods": [],
  "notes": "Linear functional form, dependent variable = sale price in Naira deflated by CPI. Table 4 reports coefficient, t-ratio and p-value (no SE). Model estimated on 80% training sample (256), 65 holdout. High-income submarket. R2=0.766, adj R2=0.757."
 },
 "models": [
  {
   "model_id": "T4-c1",
   "table": "4",
   "column": "1",
   "page": 10,
   "dep_var": "Sale price in Naira (CPI-deflated)",
   "dep_transform": "level",
   "estimator": "OLS",
   "n_obs": 256,
   "r2": 0.766,
   "se_or_t_in_parentheses": "t",
   "sample_subset": "Training set (80% of 321 transactions)"
  }
 ],
 "coefficients": [
  {
   "model_id": "T4-c1",
   "var_name_printed": "Bedrooms",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 8664822.596,
   "se": null,
   "t": 0.738,
   "p": 0.461,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "Bathrooms",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": -20051336.87,
   "se": null,
   "t": -1.448,
   "p": 0.149,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "Property type",
   "taxonomy_id": "dwelling_type",
   "x_transform": "other",
   "x_unit": "index",
   "beta": 8076944.769,
   "se": null,
   "t": 1.144,
   "p": 0.254,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "high",
   "notes": "Ordinal construction-style code 1-6 (duplex=1, detached=2, semi-detached=3, terrace=4, flat=5, others=6) entered as a single numeric regressor"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "Boys' quarters",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 102816020.589,
   "se": null,
   "t": 15.151,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "high",
   "notes": "Printed name: Boys' quarters = number of servants' (BQ) rooms"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "Parking",
   "taxonomy_id": "parking",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 9526774.351,
   "se": null,
   "t": 2.615,
   "p": 0.009,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "high",
   "notes": "Number of parking lots"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "Age",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -1635743.326,
   "se": null,
   "t": -1.068,
   "p": 0.286,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "high",
   "notes": "Property age in years"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "Floors",
   "taxonomy_id": "storeys",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 4539570.089,
   "se": null,
   "t": 1.455,
   "p": 0.147,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "high",
   "notes": "Number of floors"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "Security fence",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -10789691.84,
   "se": null,
   "t": -0.229,
   "p": 0.819,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "high",
   "notes": "Printed name: Security fence (1 if available)"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "Sea view",
   "taxonomy_id": "view",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 154767562.522,
   "se": null,
   "t": 4.832,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "high",
   "notes": "1 if sea view present"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "Location",
   "taxonomy_id": "other",
   "x_transform": "other",
   "x_unit": "index",
   "beta": -26885403.503,
   "se": null,
   "t": -6.176,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "high",
   "notes": "Printed name: Location = neighbourhood code 1-5 (Ikoyi, Victoria Island, Lekki Phase 1, Lekki-Epe corridor...) entered as a single numeric regressor"
  }
 ]
}