1{2 "record_id": "75ba68147bf6e34f9b631b70a8cea636eda11e65",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Use of Geographically Weighted Regression (GWR) Method to Estimate the Effects of Location Attributes on the Residential Property Values",7 "year": 2017,8 "doi": "10.22146/ijg.27036",9 "country": "Malaysia",10 "region_city": "Kuala Lumpur",11 "sample_start": 2010,12 "sample_end": 2010,13 "property_type": "single_family",14 "price_type": "transaction",15 "data_source": "4,393 sales of landed residential properties in Kuala Lumpur in 2010 (terraced, townhouse, semi-detached, bungalow)",16 "document_type": "journal",17 "estimators": [18 "OLS",19 "GWR"20 ],21 "spatial_method": "GWR",22 "time_fe": false,23 "location_fe": false,24 "se_type": "unknown",25 "n_obs_total": 4393,26 "ai_methods": [],27 "notes": "Indonesian Journal of Geography 49(1):97-109. Table 2 (p.7; a mislabelled duplicate with shifted standardised column appears as 'Table 1' on p.6 - the p.7 version used). HPM reports coefficient, standardised coefficient and t-ratio (no SE); GWR reports lower quartile, median and upper quartile of local coefficients. Distances are network distances in metres."28 },29 "models": [30 {31 "model_id": "T2-HPM",32 "table": "2",33 "column": "Hedonic price model (HPM)",34 "page": 7,35 "dep_var": "ln selling price (MYR)",36 "dep_transform": "log",37 "estimator": "OLS",38 "n_obs": 4393,39 "r2": 0.73,40 "se_or_t_in_parentheses": "none",41 "sample_subset": "global semi-log OLS, landed residential sales Kuala Lumpur 2010; r2 = adjusted R2; AICc 5663.63; t-ratio in separate column; variables retained by significance (stepwise-type selection)"42 },43 {44 "model_id": "T2-GWR",45 "table": "2",46 "column": "GWR model (median of local coefficients)",47 "page": 7,48 "dep_var": "ln selling price (MYR)",49 "dep_transform": "log",50 "estimator": "GWR",51 "n_obs": 4393,52 "r2": 0.85,53 "se_or_t_in_parentheses": "none",54 "sample_subset": "geographically weighted regression; beta = median of local coefficients, lower/upper quartiles in notes; no SE or t printed; r2 = adjusted R2; AICc 3185.55"55 }56 ],57 "coefficients": [58 {59 "model_id": "T2-HPM",60 "var_name_printed": "FREEHOLD",61 "taxonomy_id": "other",62 "x_transform": "dummy",63 "x_unit": "binary",64 "beta": 0.294,65 "se": null,66 "t": 18.733,67 "p": null,68 "p_stars": "",69 "ci_lo": null,70 "ci_hi": null,71 "page": 7,72 "confidence": "high",73 "notes": "freehold (vs leasehold) tenure dummy; t-ratio printed in separate column, no SE; printed standardised coefficient = 0.159; text states all variables significant at 1% level"74 },75 {76 "model_id": "T2-GWR",77 "var_name_printed": "FREEHOLD",78 "taxonomy_id": "other",79 "x_transform": "dummy",80 "x_unit": "binary",81 "beta": 0.155,82 "se": null,83 "t": null,84 "p": null,85 "p_stars": "",86 "ci_lo": null,87 "ci_hi": null,88 "page": 7,89 "confidence": "medium",90 "notes": "freehold (vs leasehold) tenure dummy; GWR local-coefficient median; lower quartile 0.084, upper quartile 0.232; no inference printed"91 },92 {93 "model_id": "T2-HPM",94 "var_name_printed": "FLOORSIZE",95 "taxonomy_id": "living_area",96 "x_transform": "level",97 "x_unit": "m2",98 "beta": 0.005,99 "se": null,100 "t": 49.578,101 "p": null,102 "p_stars": "",103 "ci_lo": null,104 "ci_hi": null,105 "page": 7,106 "confidence": "high",107 "notes": "floor area in square metres; t-ratio printed in separate column, no SE; printed standardised coefficient = 0.542; text states all variables significant at 1% level"108 },109 {110 "model_id": "T2-GWR",111 "var_name_printed": "FLOORSIZE",112 "taxonomy_id": "living_area",113 "x_transform": "level",114 "x_unit": "m2",115 "beta": 0.005,116 "se": null,117 "t": null,118 "p": null,119 "p_stars": "",120 "ci_lo": null,121 "ci_hi": null,122 "page": 7,123 "confidence": "medium",124 "notes": "floor area in square metres; GWR local-coefficient median; lower quartile 0.004, upper quartile 0.005; no inference printed"125 },126 {127 "model_id": "T2-HPM",128 "var_name_printed": "LOTSIZE",129 "taxonomy_id": "lot_size",130 "x_transform": "level",131 "x_unit": "m2",132 "beta": 0.000186,133 "se": null,134 "t": 9.593,135 "p": null,136 "p_stars": "",137 "ci_lo": null,138 "ci_hi": null,139 "page": 7,140 "confidence": "high",141 "notes": "lot size in square metres; t-ratio printed in separate column, no SE; printed standardised coefficient = 0.086; text states all variables significant at 1% level"142 },143 {144 "model_id": "T2-GWR",145 "var_name_printed": "LOTSIZE",146 "taxonomy_id": "lot_size",147 "x_transform": "level",148 "x_unit": "m2",149 "beta": 0.000403,150 "se": null,151 "t": null,152 "p": null,153 "p_stars": "",154 "ci_lo": null,155 "ci_hi": null,156 "page": 7,157 "confidence": "medium",158 "notes": "lot size in square metres; GWR local-coefficient median; lower quartile 0.00048, upper quartile 0.001; no inference printed"159 },160 {161 "model_id": "T2-HPM",162 "var_name_printed": "BEDROOMS",163 "taxonomy_id": "bedrooms",164 "x_transform": "dummy",165 "x_unit": "binary",166 "beta": 0.19,167 "se": null,168 "t": 11.497,169 "p": null,170 "p_stars": "",171 "ci_lo": null,172 "ci_hi": null,173 "page": 7,174 "confidence": "high",175 "notes": "dummy = 1 if four or more bedrooms; t-ratio printed in separate column, no SE; printed standardised coefficient = 0.108; text states all variables significant at 1% level"176 },177 {178 "model_id": "T2-GWR",179 "var_name_printed": "BEDROOMS",180 "taxonomy_id": "bedrooms",181 "x_transform": "dummy",182 "x_unit": "binary",183 "beta": 0.132,184 "se": null,185 "t": null,186 "p": null,187 "p_stars": "",188 "ci_lo": null,189 "ci_hi": null,190 "page": 7,191 "confidence": "medium",192 "notes": "dummy = 1 if four or more bedrooms; GWR local-coefficient median; lower quartile 0.076, upper quartile 0.173; no inference printed"193 },194 {195 "model_id": "T2-HPM",196 "var_name_printed": "TYPE_TERRACED",197 "taxonomy_id": "dwelling_type",198 "x_transform": "dummy",199 "x_unit": "binary",200 "beta": -0.084,201 "se": null,202 "t": -2.841,203 "p": null,204 "p_stars": "",205 "ci_lo": null,206 "ci_hi": null,207 "page": 7,208 "confidence": "high",209 "notes": "dummy = 1 if cluster/terraced house (reference: detached and other types); t-ratio printed in separate column, no SE; printed standardised coefficient = -0.043; text states all variables significant at 1% level"210 },211 {212 "model_id": "T2-GWR",213 "var_name_printed": "TYPE_TERRACED",214 "taxonomy_id": "dwelling_type",215 "x_transform": "dummy",216 "x_unit": "binary",217 "beta": 0.29,218 "se": null,219 "t": null,220 "p": null,221 "p_stars": "",222 "ci_lo": null,223 "ci_hi": null,224 "page": 7,225 "confidence": "medium",226 "notes": "dummy = 1 if cluster/terraced house (reference: detached and other types); GWR local-coefficient median; lower quartile 0.038, upper quartile 0.391; no inference printed"227 },228 {229 "model_id": "T2-HPM",230 "var_name_printed": "TYPE_TOWNHOUSE",231 "taxonomy_id": "dwelling_type",232 "x_transform": "dummy",233 "x_unit": "binary",234 "beta": -0.223,235 "se": null,236 "t": -5.645,237 "p": null,238 "p_stars": "",239 "ci_lo": null,240 "ci_hi": null,241 "page": 7,242 "confidence": "high",243 "notes": "dummy = 1 if town house; t-ratio printed in separate column, no SE; printed standardised coefficient = -0.062; text states all variables significant at 1% level"244 },245 {246 "model_id": "T2-GWR",247 "var_name_printed": "TYPE_TOWNHOUSE",248 "taxonomy_id": "dwelling_type",249 "x_transform": "dummy",250 "x_unit": "binary",251 "beta": 0.024,252 "se": null,253 "t": null,254 "p": null,255 "p_stars": "",256 "ci_lo": null,257 "ci_hi": null,258 "page": 7,259 "confidence": "medium",260 "notes": "dummy = 1 if town house; GWR local-coefficient median; lower quartile -0.21, upper quartile 0.179; no inference printed"261 },262 {263 "model_id": "T2-HPM",264 "var_name_printed": "TYPE_SEMIDETACHED",265 "taxonomy_id": "dwelling_type",266 "x_transform": "dummy",267 "x_unit": "binary",268 "beta": 0.357,269 "se": null,270 "t": 10.454,271 "p": null,272 "p_stars": "",273 "ci_lo": null,274 "ci_hi": null,275 "page": 7,276 "confidence": "high",277 "notes": "dummy = 1 if semi-detached; t-ratio printed in separate column, no SE; printed standardised coefficient = 0.124; text states all variables significant at 1% level"278 },279 {280 "model_id": "T2-GWR",281 "var_name_printed": "TYPE_SEMIDETACHED",282 "taxonomy_id": "dwelling_type",283 "x_transform": "dummy",284 "x_unit": "binary",285 "beta": 0.571,286 "se": null,287 "t": null,288 "p": null,289 "p_stars": "",290 "ci_lo": null,291 "ci_hi": null,292 "page": 7,293 "confidence": "medium",294 "notes": "dummy = 1 if semi-detached; GWR local-coefficient median; lower quartile 0.338, upper quartile 0.635; no inference printed"295 },296 {297 "model_id": "T2-HPM",298 "var_name_printed": "TYPE_BUNGALOW",299 "taxonomy_id": "dwelling_type",300 "x_transform": "dummy",301 "x_unit": "binary",302 "beta": 0.442,303 "se": null,304 "t": 9.869,305 "p": null,306 "p_stars": "",307 "ci_lo": null,308 "ci_hi": null,309 "page": 7,310 "confidence": "high",311 "notes": "dummy = 1 if bungalow; t-ratio printed in separate column, no SE; printed standardised coefficient = 0.096; text states all variables significant at 1% level"312 },313 {314 "model_id": "T2-GWR",315 "var_name_printed": "TYPE_BUNGALOW",316 "taxonomy_id": "dwelling_type",317 "x_transform": "dummy",318 "x_unit": "binary",319 "beta": 0.361,320 "se": null,321 "t": null,322 "p": null,323 "p_stars": "",324 "ci_lo": null,325 "ci_hi": null,326 "page": 7,327 "confidence": "medium",328 "notes": "dummy = 1 if bungalow; GWR local-coefficient median; lower quartile 0.182, upper quartile 0.497; no inference printed"329 },330 {331 "model_id": "T2-HPM",332 "var_name_printed": "PRIMARY_SCHOOL",333 "taxonomy_id": "school_distance",334 "x_transform": "level",335 "x_unit": "m",336 "beta": 2.832e-05,337 "se": null,338 "t": 2.783,339 "p": null,340 "p_stars": "",341 "ci_lo": null,342 "ci_hi": null,343 "page": 7,344 "confidence": "high",345 "notes": "network distance in metres to nearest primary school; t-ratio printed in separate column, no SE; printed standardised coefficient = 0.031; text states all variables significant at 1% level"346 },347 {348 "model_id": "T2-GWR",349 "var_name_printed": "PRIMARY_SCHOOL",350 "taxonomy_id": "school_distance",351 "x_transform": "level",352 "x_unit": "m",353 "beta": 1.4e-05,354 "se": null,355 "t": null,356 "p": null,357 "p_stars": "",358 "ci_lo": null,359 "ci_hi": null,360 "page": 7,361 "confidence": "medium",362 "notes": "network distance in metres to nearest primary school; GWR local-coefficient median; lower quartile 2.7e-05, upper quartile 8.5e-05; no inference printed"363 },364 {365 "model_id": "T2-HPM",366 "var_name_printed": "SECONDARY_SCHOOL",367 "taxonomy_id": "school_distance",368 "x_transform": "level",369 "x_unit": "m",370 "beta": 5.244e-05,371 "se": null,372 "t": 6.881,373 "p": null,374 "p_stars": "",375 "ci_lo": null,376 "ci_hi": null,377 "page": 7,378 "confidence": "high",379 "notes": "network distance in metres to nearest secondary school; t-ratio printed in separate column, no SE; printed standardised coefficient = 0.07; text states all variables significant at 1% level"380 },381 {382 "model_id": "T2-GWR",383 "var_name_printed": "SECONDARY_SCHOOL",384 "taxonomy_id": "school_distance",385 "x_transform": "level",386 "x_unit": "m",387 "beta": 3.9e-05,388 "se": null,389 "t": null,390 "p": null,391 "p_stars": "",392 "ci_lo": null,393 "ci_hi": null,394 "page": 7,395 "confidence": "medium",396 "notes": "network distance in metres to nearest secondary school; GWR local-coefficient median; lower quartile 9e-06, upper quartile 0.000107; no inference printed"397 },398 {399 "model_id": "T2-HPM",400 "var_name_printed": "SHOPMALL",401 "taxonomy_id": "commercial_distance",402 "x_transform": "level",403 "x_unit": "m",404 "beta": -8.112e-05,405 "se": null,406 "t": -11.385,407 "p": null,408 "p_stars": "",409 "ci_lo": null,410 "ci_hi": null,411 "page": 7,412 "confidence": "high",413 "notes": "network distance in metres to nearest shopping mall; t-ratio printed in separate column, no SE; printed standardised coefficient = -0.112; text states all variables significant at 1% level"414 },415 {416 "model_id": "T2-GWR",417 "var_name_printed": "SHOPMALL",418 "taxonomy_id": "commercial_distance",419 "x_transform": "level",420 "x_unit": "m",421 "beta": -5.6e-05,422 "se": null,423 "t": null,424 "p": null,425 "p_stars": "",426 "ci_lo": null,427 "ci_hi": null,428 "page": 7,429 "confidence": "medium",430 "notes": "network distance in metres to nearest shopping mall; GWR local-coefficient median; lower quartile -8e-05, upper quartile -4e-06; no inference printed"431 },432 {433 "model_id": "T2-HPM",434 "var_name_printed": "FOREST",435 "taxonomy_id": "green_space",436 "x_transform": "level",437 "x_unit": "m",438 "beta": -2.973e-05,439 "se": null,440 "t": -5.934,441 "p": null,442 "p_stars": "",443 "ci_lo": null,444 "ci_hi": null,445 "page": 7,446 "confidence": "high",447 "notes": "network distance in metres to nearest forest; t-ratio printed in separate column, no SE; printed standardised coefficient = 0.052; text states all variables significant at 1% level"448 },449 {450 "model_id": "T2-GWR",451 "var_name_printed": "FOREST",452 "taxonomy_id": "green_space",453 "x_transform": "level",454 "x_unit": "m",455 "beta": -4e-06,456 "se": null,457 "t": null,458 "p": null,459 "p_stars": "",460 "ci_lo": null,461 "ci_hi": null,462 "page": 7,463 "confidence": "medium",464 "notes": "network distance in metres to nearest forest; GWR local-coefficient median; lower quartile -2.2e-05, upper quartile 8e-06; no inference printed"465 },466 {467 "model_id": "T2-HPM",468 "var_name_printed": "RAIL_STATION",469 "taxonomy_id": "transit_distance",470 "x_transform": "dummy",471 "x_unit": "binary",472 "beta": -0.036,473 "se": null,474 "t": -2.132,475 "p": null,476 "p_stars": "",477 "ci_lo": null,478 "ci_hi": null,479 "page": 7,480 "confidence": "high",481 "notes": "dummy = 1 if within 2 km radius of nearest rail station; t-ratio printed in separate column, no SE; printed standardised coefficient = -0.018; text states all variables significant at 1% level"482 },483 {484 "model_id": "T2-GWR",485 "var_name_printed": "RAIL_STATION",486 "taxonomy_id": "transit_distance",487 "x_transform": "dummy",488 "x_unit": "binary",489 "beta": -0.019,490 "se": null,491 "t": null,492 "p": null,493 "p_stars": "",494 "ci_lo": null,495 "ci_hi": null,496 "page": 7,497 "confidence": "medium",498 "notes": "dummy = 1 if within 2 km radius of nearest rail station; GWR local-coefficient median; lower quartile -0.073, upper quartile 0.03; no inference printed"499 },500 {501 "model_id": "T2-HPM",502 "var_name_printed": "MALAY",503 "taxonomy_id": "demographics",504 "x_transform": "level",505 "x_unit": "share",506 "beta": 0.041,507 "se": null,508 "t": 12.629,509 "p": null,510 "p_stars": "",511 "ci_lo": null,512 "ci_hi": null,513 "page": 7,514 "confidence": "high",515 "notes": "percentage of residents of Malay ethnicity in the area; t-ratio printed in separate column, no SE; printed standardised coefficient = 0.117; text states all variables significant at 1% level"516 },517 {518 "model_id": "T2-GWR",519 "var_name_printed": "MALAY",520 "taxonomy_id": "demographics",521 "x_transform": "level",522 "x_unit": "share",523 "beta": 0.033,524 "se": null,525 "t": null,526 "p": null,527 "p_stars": "",528 "ci_lo": null,529 "ci_hi": null,530 "page": 7,531 "confidence": "medium",532 "notes": "percentage of residents of Malay ethnicity in the area; GWR local-coefficient median; lower quartile 0.006, upper quartile 0.07; no inference printed"533 },534 {535 "model_id": "T2-HPM",536 "var_name_printed": "CHINESE",537 "taxonomy_id": "demographics",538 "x_transform": "level",539 "x_unit": "share",540 "beta": 0.025,541 "se": null,542 "t": 7.416,543 "p": null,544 "p_stars": "",545 "ci_lo": null,546 "ci_hi": null,547 "page": 7,548 "confidence": "high",549 "notes": "percentage of residents of Chinese ethnicity in the area; t-ratio printed in separate column, no SE; printed standardised coefficient = 0.067; text states all variables significant at 1% level"550 },551 {552 "model_id": "T2-GWR",553 "var_name_printed": "CHINESE",554 "taxonomy_id": "demographics",555 "x_transform": "level",556 "x_unit": "share",557 "beta": -0.002,558 "se": null,559 "t": null,560 "p": null,561 "p_stars": "",562 "ci_lo": null,563 "ci_hi": null,564 "page": 7,565 "confidence": "medium",566 "notes": "percentage of residents of Chinese ethnicity in the area; GWR local-coefficient median; lower quartile -0.037, upper quartile 0.025; no inference printed"567 }568 ]569}