{
 "record_id": "36eac2e74fd054fe7faa7ad4134c3aa524d5616d",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "Mass appraisal for property tax purposes: approach using global and local spatial regression",
  "year": 2023,
  "doi": "10.29327/2290393.2.2-2",
  "country": "Brazil",
  "region_city": "Florianopolis, Santa Catarina (Centro, Agronomica, Trindade neighbourhoods)",
  "sample_start": 2020,
  "sample_end": 2020,
  "property_type": "condo_apartment",
  "price_type": "listing",
  "data_source": "Market data (225 apartments, 190 training / 35 validation) collected March-April 2020",
  "document_type": "journal",
  "estimators": [
   "spatial_error",
   "GWR"
  ],
  "spatial_method": "spatial error model (distance band 525 m) and GWR (fixed Gaussian, 278 m)",
  "time_fe": false,
  "location_fe": false,
  "se_type": "unknown",
  "n_obs_total": 190,
  "ai_methods": [],
  "notes": "Revista Valorem (SOBREA). Dependent variable is log of price per m2. \"Market data\" of the Brazilian appraisal tradition are typically asking/offer prices; the paper does not specify transaction vs listing (price_type set to listing, uncertain). Two observations removed as outliers/influential before modelling. OLS model mentioned but its coefficients are not printed. No star legend; p-values printed for the CAR model."
 },
 "models": [
  {
   "model_id": "T4-c1",
   "table": "4",
   "column": "1",
   "page": 9,
   "dep_var": "ln(UV): natural log of unit value (price per m2, R$/m2) of apartments",
   "dep_transform": "log",
   "estimator": "spatial_error",
   "n_obs": 190,
   "r2": 0.8169,
   "se_or_t_in_parentheses": "t",
   "sample_subset": "Training partition (190 apartments, Centro/Agronomica/Trindade); spatial error (CAR) model, distance-band weights 525 m; z-statistics and p-values printed"
  },
  {
   "model_id": "T5-c1",
   "table": "5",
   "column": "1",
   "page": 10,
   "dep_var": "ln(UV): natural log of unit value (price per m2, R$/m2) of apartments",
   "dep_transform": "log",
   "estimator": "GWR",
   "n_obs": 190,
   "r2": 0.9239,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "GWR (fixed Gaussian kernel, bandwidth 278.42 m); average of the 190 local coefficients printed (median also printed); pool variable fixed as global; no SE printed"
  }
 ],
 "coefficients": [
  {
   "model_id": "T4-c1",
   "var_name_printed": "ln (FA)",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "m2",
   "beta": -0.43255,
   "se": null,
   "t": 7.81141,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "medium",
   "notes": "Floor area, log; coefficient printed with a leading dash (negative) while zcalc printed without sign (absolute value); z-statistic recorded in t"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "ln (DA)",
   "taxonomy_id": "cbd_distance",
   "x_transform": "log",
   "x_unit": "m",
   "beta": -0.1177,
   "se": null,
   "t": 5.35113,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "medium",
   "notes": "Distance to Beira-Mar Avenue (seaside avenue in the Centro used as valuation pole), log of metres; could alternatively be read as water proximity; coefficient printed with a leading dash (negative) while zcalc printed without sign (absolute value); z-statistic recorded in t"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "NB",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.05794,
   "se": null,
   "t": 2.76309,
   "p": 0.00573,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "; z-statistic recorded in t"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "BT",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.03583,
   "se": null,
   "t": 2.12263,
   "p": 0.03379,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "; z-statistic recorded in t"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "NG",
   "taxonomy_id": "parking",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.1852,
   "se": null,
   "t": 8.92755,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Number of parking spaces; z-statistic recorded in t"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "SP",
   "taxonomy_id": "pool",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.09129,
   "se": null,
   "t": 3.47056,
   "p": 0.00052,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Swimming pool (building); z-statistic recorded in t"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "CQ",
   "taxonomy_id": "condition",
   "x_transform": "level",
   "x_unit": "ordinal (1 low, 2 medium, 3 high construction quality)",
   "beta": 0.20171,
   "se": null,
   "t": 12.3279,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Construction quality code; z-statistic recorded in t"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "ln (FA)",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "m2",
   "beta": -0.517,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "medium",
   "notes": "Floor area, log; GWR average of local coefficients (median -0.5074); no SE reported"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "ln (DA)",
   "taxonomy_id": "cbd_distance",
   "x_transform": "log",
   "x_unit": "m",
   "beta": -0.08873,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "medium",
   "notes": "Distance to Beira-Mar Avenue (seaside avenue in the Centro used as valuation pole), log of metres; could alternatively be read as water proximity; GWR average of local coefficients (median -0.10434); no SE reported"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "NB",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.06497,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "medium",
   "notes": "GWR average of local coefficients (median 0.06628); no SE reported"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "BT",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.06173,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "medium",
   "notes": "GWR average of local coefficients (median 0.06011); no SE reported"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "NG",
   "taxonomy_id": "parking",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.19071,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "medium",
   "notes": "Number of parking spaces; GWR average of local coefficients (median 0.19394); no SE reported"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "SP",
   "taxonomy_id": "pool",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.09732,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "medium",
   "notes": "Swimming pool (building); GWR average of local coefficients (median 0.09732); no SE reported; variable treated as global (fixed) in GWR"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "CQ",
   "taxonomy_id": "condition",
   "x_transform": "level",
   "x_unit": "ordinal (1 low, 2 medium, 3 high construction quality)",
   "beta": 0.20735,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 10,
   "confidence": "medium",
   "notes": "Construction quality code; GWR average of local coefficients (median 0.22325); no SE reported"
  }
 ]
}