1{2 "record_id": "36eac2e74fd054fe7faa7ad4134c3aa524d5616d",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Mass appraisal for property tax purposes: approach using global and local spatial regression",7 "year": 2023,8 "doi": "10.29327/2290393.2.2-2",9 "country": "Brazil",10 "region_city": "Florianopolis, Santa Catarina (Centro, Agronomica, Trindade neighbourhoods)",11 "sample_start": 2020,12 "sample_end": 2020,13 "property_type": "condo_apartment",14 "price_type": "listing",15 "data_source": "Market data (225 apartments, 190 training / 35 validation) collected March-April 2020",16 "document_type": "journal",17 "estimators": [18 "spatial_error",19 "GWR"20 ],21 "spatial_method": "spatial error model (distance band 525 m) and GWR (fixed Gaussian, 278 m)",22 "time_fe": false,23 "location_fe": false,24 "se_type": "unknown",25 "n_obs_total": 190,26 "ai_methods": [],27 "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."28 },29 "models": [30 {31 "model_id": "T4-c1",32 "table": "4",33 "column": "1",34 "page": 9,35 "dep_var": "ln(UV): natural log of unit value (price per m2, R$/m2) of apartments",36 "dep_transform": "log",37 "estimator": "spatial_error",38 "n_obs": 190,39 "r2": 0.8169,40 "se_or_t_in_parentheses": "t",41 "sample_subset": "Training partition (190 apartments, Centro/Agronomica/Trindade); spatial error (CAR) model, distance-band weights 525 m; z-statistics and p-values printed"42 },43 {44 "model_id": "T5-c1",45 "table": "5",46 "column": "1",47 "page": 10,48 "dep_var": "ln(UV): natural log of unit value (price per m2, R$/m2) of apartments",49 "dep_transform": "log",50 "estimator": "GWR",51 "n_obs": 190,52 "r2": 0.9239,53 "se_or_t_in_parentheses": "none",54 "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"55 }56 ],57 "coefficients": [58 {59 "model_id": "T4-c1",60 "var_name_printed": "ln (FA)",61 "taxonomy_id": "living_area",62 "x_transform": "log",63 "x_unit": "m2",64 "beta": -0.43255,65 "se": null,66 "t": 7.81141,67 "p": 0.0,68 "p_stars": "",69 "ci_lo": null,70 "ci_hi": null,71 "page": 9,72 "confidence": "medium",73 "notes": "Floor area, log; coefficient printed with a leading dash (negative) while zcalc printed without sign (absolute value); z-statistic recorded in t"74 },75 {76 "model_id": "T4-c1",77 "var_name_printed": "ln (DA)",78 "taxonomy_id": "cbd_distance",79 "x_transform": "log",80 "x_unit": "m",81 "beta": -0.1177,82 "se": null,83 "t": 5.35113,84 "p": 0.0,85 "p_stars": "",86 "ci_lo": null,87 "ci_hi": null,88 "page": 9,89 "confidence": "medium",90 "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"91 },92 {93 "model_id": "T4-c1",94 "var_name_printed": "NB",95 "taxonomy_id": "bedrooms",96 "x_transform": "level",97 "x_unit": "count",98 "beta": 0.05794,99 "se": null,100 "t": 2.76309,101 "p": 0.00573,102 "p_stars": "",103 "ci_lo": null,104 "ci_hi": null,105 "page": 9,106 "confidence": "high",107 "notes": "; z-statistic recorded in t"108 },109 {110 "model_id": "T4-c1",111 "var_name_printed": "BT",112 "taxonomy_id": "bathrooms",113 "x_transform": "level",114 "x_unit": "count",115 "beta": 0.03583,116 "se": null,117 "t": 2.12263,118 "p": 0.03379,119 "p_stars": "",120 "ci_lo": null,121 "ci_hi": null,122 "page": 9,123 "confidence": "high",124 "notes": "; z-statistic recorded in t"125 },126 {127 "model_id": "T4-c1",128 "var_name_printed": "NG",129 "taxonomy_id": "parking",130 "x_transform": "level",131 "x_unit": "count",132 "beta": 0.1852,133 "se": null,134 "t": 8.92755,135 "p": 0.0,136 "p_stars": "",137 "ci_lo": null,138 "ci_hi": null,139 "page": 9,140 "confidence": "high",141 "notes": "Number of parking spaces; z-statistic recorded in t"142 },143 {144 "model_id": "T4-c1",145 "var_name_printed": "SP",146 "taxonomy_id": "pool",147 "x_transform": "binary",148 "x_unit": "binary",149 "beta": 0.09129,150 "se": null,151 "t": 3.47056,152 "p": 0.00052,153 "p_stars": "",154 "ci_lo": null,155 "ci_hi": null,156 "page": 9,157 "confidence": "high",158 "notes": "Swimming pool (building); z-statistic recorded in t"159 },160 {161 "model_id": "T4-c1",162 "var_name_printed": "CQ",163 "taxonomy_id": "condition",164 "x_transform": "level",165 "x_unit": "ordinal (1 low, 2 medium, 3 high construction quality)",166 "beta": 0.20171,167 "se": null,168 "t": 12.3279,169 "p": 0.0,170 "p_stars": "",171 "ci_lo": null,172 "ci_hi": null,173 "page": 9,174 "confidence": "high",175 "notes": "Construction quality code; z-statistic recorded in t"176 },177 {178 "model_id": "T5-c1",179 "var_name_printed": "ln (FA)",180 "taxonomy_id": "living_area",181 "x_transform": "log",182 "x_unit": "m2",183 "beta": -0.517,184 "se": null,185 "t": null,186 "p": null,187 "p_stars": "",188 "ci_lo": null,189 "ci_hi": null,190 "page": 10,191 "confidence": "medium",192 "notes": "Floor area, log; GWR average of local coefficients (median -0.5074); no SE reported"193 },194 {195 "model_id": "T5-c1",196 "var_name_printed": "ln (DA)",197 "taxonomy_id": "cbd_distance",198 "x_transform": "log",199 "x_unit": "m",200 "beta": -0.08873,201 "se": null,202 "t": null,203 "p": null,204 "p_stars": "",205 "ci_lo": null,206 "ci_hi": null,207 "page": 10,208 "confidence": "medium",209 "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"210 },211 {212 "model_id": "T5-c1",213 "var_name_printed": "NB",214 "taxonomy_id": "bedrooms",215 "x_transform": "level",216 "x_unit": "count",217 "beta": 0.06497,218 "se": null,219 "t": null,220 "p": null,221 "p_stars": "",222 "ci_lo": null,223 "ci_hi": null,224 "page": 10,225 "confidence": "medium",226 "notes": "GWR average of local coefficients (median 0.06628); no SE reported"227 },228 {229 "model_id": "T5-c1",230 "var_name_printed": "BT",231 "taxonomy_id": "bathrooms",232 "x_transform": "level",233 "x_unit": "count",234 "beta": 0.06173,235 "se": null,236 "t": null,237 "p": null,238 "p_stars": "",239 "ci_lo": null,240 "ci_hi": null,241 "page": 10,242 "confidence": "medium",243 "notes": "GWR average of local coefficients (median 0.06011); no SE reported"244 },245 {246 "model_id": "T5-c1",247 "var_name_printed": "NG",248 "taxonomy_id": "parking",249 "x_transform": "level",250 "x_unit": "count",251 "beta": 0.19071,252 "se": null,253 "t": null,254 "p": null,255 "p_stars": "",256 "ci_lo": null,257 "ci_hi": null,258 "page": 10,259 "confidence": "medium",260 "notes": "Number of parking spaces; GWR average of local coefficients (median 0.19394); no SE reported"261 },262 {263 "model_id": "T5-c1",264 "var_name_printed": "SP",265 "taxonomy_id": "pool",266 "x_transform": "binary",267 "x_unit": "binary",268 "beta": 0.09732,269 "se": null,270 "t": null,271 "p": null,272 "p_stars": "",273 "ci_lo": null,274 "ci_hi": null,275 "page": 10,276 "confidence": "medium",277 "notes": "Swimming pool (building); GWR average of local coefficients (median 0.09732); no SE reported; variable treated as global (fixed) in GWR"278 },279 {280 "model_id": "T5-c1",281 "var_name_printed": "CQ",282 "taxonomy_id": "condition",283 "x_transform": "level",284 "x_unit": "ordinal (1 low, 2 medium, 3 high construction quality)",285 "beta": 0.20735,286 "se": null,287 "t": null,288 "p": null,289 "p_stars": "",290 "ci_lo": null,291 "ci_hi": null,292 "page": 10,293 "confidence": "medium",294 "notes": "Construction quality code; GWR average of local coefficients (median 0.22325); no SE reported"295 }296 ]297}