1{2 "record_id": "67d132eca470e26b7a8c41462ca1252d056a93bb",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Spatial and Social Media Data Analytics of Housing Prices in Shenzhen, China",7 "year": 2016,8 "doi": "10.1371/journal.pone.0164553",9 "country": "China",10 "region_city": "Shenzhen",11 "sample_start": 2015,12 "sample_end": 2015,13 "property_type": "condo_apartment",14 "price_type": "transaction",15 "data_source": "New housing transaction data from Shenzhen Research Centre for Digital City Engineering (27,112 units in 159 developments, July-December 2015; 25,323 after cleaning); attributes crawled from SOFANG; Sina Weibo check-in POI data",16 "document_type": "journal",17 "estimators": [18 "OLS",19 "GWR"20 ],21 "spatial_method": "GWR (bandwidth 0.337) in addition to global OLS",22 "time_fe": false,23 "location_fe": false,24 "se_type": "unknown",25 "n_obs_total": 25323,26 "ai_methods": [27 "social media check-in hot-spot analysis (Getis-Ord Gi*)"28 ],29 "notes": "Semi-log OLS (Table 4) reports coefficient, t-ratio and p-value columns (no SEs); only 1%-significant variables reported in Table 4 (NumBed, RPlot, DSnursery, DSmiddle omitted there). Table 5 GWR reports distribution of local coefficients (median recorded as beta, quartiles in notes). GiZScore variables are social-media-derived activity hot-spot indices (mapped to neighbourhood_amenities and green_space). Constant 0.060 for ln(price) suggests price may be scaled, but the authors interpret coefficients as percentage effects per unit."30 },31 "models": [32 {33 "model_id": "T4-c1",34 "table": "4",35 "column": "1",36 "page": 13,37 "dep_var": "ln(price) of new housing unit",38 "dep_transform": "log",39 "estimator": "OLS",40 "n_obs": 25323,41 "r2": 0.724,42 "se_or_t_in_parentheses": "t",43 "sample_subset": "Global hedonic price model (HPM), semi-log OLS; 25,323 new-housing transactions, Shenzhen, July-December 2015; t-ratio and p-value printed in separate columns (no parentheses); only variables significant at 1% listed"44 },45 {46 "model_id": "T5-c1",47 "table": "5",48 "column": "median",49 "page": 14,50 "dep_var": "ln(price) of new housing unit",51 "dep_transform": "log",52 "estimator": "GWR",53 "n_obs": 25323,54 "r2": 0.9399,55 "se_or_t_in_parentheses": "none",56 "sample_subset": "GWR local coefficients: table reports min / lower quartile / median / upper quartile / max and a p-value per variable; beta recorded = median local coefficient (bandwidth 0.337)"57 }58 ],59 "coefficients": [60 {61 "model_id": "T4-c1",62 "var_name_printed": "DCBD",63 "taxonomy_id": "cbd_distance",64 "x_transform": "level",65 "x_unit": "km",66 "beta": -0.326,67 "se": null,68 "t": -55.863,69 "p": 0.0,70 "p_stars": "***",71 "ci_lo": null,72 "ci_hi": null,73 "page": 13,74 "confidence": "high",75 "notes": "Distance to CBD (Citizen Centre) in km; p-value printed as .000; *** significant at 1%"76 },77 {78 "model_id": "T4-c1",79 "var_name_printed": "Fee",80 "taxonomy_id": "other",81 "x_transform": "level",82 "x_unit": "currency",83 "beta": 0.293,84 "se": null,85 "t": 43.604,86 "p": 0.0,87 "p_stars": "***",88 "ci_lo": null,89 "ci_hi": null,90 "page": 13,91 "confidence": "high",92 "notes": "Property management fee (RMB per m2 per month presumably; unit printed as RMB); p-value printed as .000; *** significant at 1%"93 },94 {95 "model_id": "T4-c1",96 "var_name_printed": "DPark",97 "taxonomy_id": "green_space",98 "x_transform": "level",99 "x_unit": "km",100 "beta": -0.111,101 "se": null,102 "t": -27.376,103 "p": 0.0,104 "p_stars": "***",105 "ci_lo": null,106 "ci_hi": null,107 "page": 13,108 "confidence": "high",109 "notes": "Distance to nearest park (km); p-value printed as .000; *** significant at 1%"110 },111 {112 "model_id": "T4-c1",113 "var_name_printed": "NumWash",114 "taxonomy_id": "bathrooms",115 "x_transform": "level",116 "x_unit": "count",117 "beta": 0.094,118 "se": null,119 "t": 21.743,120 "p": 0.0,121 "p_stars": "***",122 "ci_lo": null,123 "ci_hi": null,124 "page": 13,125 "confidence": "high",126 "notes": "Number of bathrooms; p-value printed as .000; *** significant at 1%"127 },128 {129 "model_id": "T4-c1",130 "var_name_printed": "GiZScore_C",131 "taxonomy_id": "neighbourhood_amenities",132 "x_transform": "level",133 "x_unit": "index",134 "beta": 0.083,135 "se": null,136 "t": 17.104,137 "p": 0.0,138 "p_stars": "***",139 "ci_lo": null,140 "ci_hi": null,141 "page": 13,142 "confidence": "high",143 "notes": "Getis-Ord Gi* z-score of social-media check-in activity at commercial/business facilities (hot-spot degree of activity); p-value printed as .000; *** significant at 1%"144 },145 {146 "model_id": "T4-c1",147 "var_name_printed": "DHospital",148 "taxonomy_id": "hospital_distance",149 "x_transform": "level",150 "x_unit": "km",151 "beta": -0.094,152 "se": null,153 "t": -24.942,154 "p": 0.0,155 "p_stars": "***",156 "ci_lo": null,157 "ci_hi": null,158 "page": 13,159 "confidence": "high",160 "notes": "Distance to nearest hospital (km); p-value printed as .000; *** significant at 1%"161 },162 {163 "model_id": "T4-c1",164 "var_name_printed": "SPrimary",165 "taxonomy_id": "school_distance",166 "x_transform": "level",167 "x_unit": "km",168 "beta": 0.08,169 "se": null,170 "t": 21.966,171 "p": 0.0,172 "p_stars": "***",173 "ci_lo": null,174 "ci_hi": null,175 "page": 13,176 "confidence": "high",177 "notes": "Distance to nearest primary school (km); printed as SPrimary (DSprimary in Table 1); p-value printed as .000; *** significant at 1%"178 },179 {180 "model_id": "T4-c1",181 "var_name_printed": "Floor",182 "taxonomy_id": "floor_level",183 "x_transform": "level",184 "x_unit": "count",185 "beta": 0.063,186 "se": null,187 "t": 20.077,188 "p": 0.0,189 "p_stars": "***",190 "ci_lo": null,191 "ci_hi": null,192 "page": 13,193 "confidence": "high",194 "notes": "Floor on which the unit is situated; p-value printed as .000; *** significant at 1%"195 },196 {197 "model_id": "T4-c1",198 "var_name_printed": "GiZScore_G",199 "taxonomy_id": "green_space",200 "x_transform": "level",201 "x_unit": "index",202 "beta": 0.134,203 "se": null,204 "t": 24.466,205 "p": 0.0,206 "p_stars": "***",207 "ci_lo": null,208 "ci_hi": null,209 "page": 13,210 "confidence": "high",211 "notes": "Getis-Ord Gi* z-score of check-in activity in green space (degree of activity); p-value printed as .000; *** significant at 1%"212 },213 {214 "model_id": "T4-c1",215 "var_name_printed": "DBus",216 "taxonomy_id": "transit_distance",217 "x_transform": "level",218 "x_unit": "km",219 "beta": -0.049,220 "se": null,221 "t": -14.273,222 "p": 0.0,223 "p_stars": "***",224 "ci_lo": null,225 "ci_hi": null,226 "page": 13,227 "confidence": "high",228 "notes": "Distance to nearest bus station (km); p-value printed as .000; *** significant at 1%"229 },230 {231 "model_id": "T4-c1",232 "var_name_printed": "DSub",233 "taxonomy_id": "transit_distance",234 "x_transform": "level",235 "x_unit": "km",236 "beta": -0.049,237 "se": null,238 "t": -11.417,239 "p": 0.0,240 "p_stars": "***",241 "ci_lo": null,242 "ci_hi": null,243 "page": 13,244 "confidence": "high",245 "notes": "Distance to nearest metro station (km); p-value printed as .000; *** significant at 1%"246 },247 {248 "model_id": "T4-c1",249 "var_name_printed": "Area",250 "taxonomy_id": "living_area",251 "x_transform": "level",252 "x_unit": "m2",253 "beta": 0.031,254 "se": null,255 "t": 6.907,256 "p": 0.0,257 "p_stars": "***",258 "ci_lo": null,259 "ci_hi": null,260 "page": 13,261 "confidence": "high",262 "notes": "Living area in m2 (coefficient as printed; interpreted by authors as semi-elasticity per unit); p-value printed as .000; *** significant at 1%"263 },264 {265 "model_id": "T4-c1",266 "var_name_printed": "RGreen",267 "taxonomy_id": "green_space",268 "x_transform": "level",269 "x_unit": "share",270 "beta": 0.023,271 "se": null,272 "t": 6.854,273 "p": 0.0,274 "p_stars": "***",275 "ci_lo": null,276 "ci_hi": null,277 "page": 13,278 "confidence": "high",279 "notes": "Green space ratio of the estate (%); p-value printed as .000; *** significant at 1%"280 },281 {282 "model_id": "T5-c1",283 "var_name_printed": "Floor",284 "taxonomy_id": "floor_level",285 "x_transform": "level",286 "x_unit": "count",287 "beta": 0.040169,288 "se": null,289 "t": null,290 "p": 0.0,291 "p_stars": "***",292 "ci_lo": null,293 "ci_hi": null,294 "page": 14,295 "confidence": "medium",296 "notes": "GWR local coefficient summary: min -0.35291, lower quartile 0.031246, median 0.040169 (recorded), upper quartile 0.056628, max 0.339561; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"297 },298 {299 "model_id": "T5-c1",300 "var_name_printed": "NumBed",301 "taxonomy_id": "bedrooms",302 "x_transform": "level",303 "x_unit": "count",304 "beta": 0.040887,305 "se": null,306 "t": null,307 "p": 0.0,308 "p_stars": "***",309 "ci_lo": null,310 "ci_hi": null,311 "page": 14,312 "confidence": "medium",313 "notes": "GWR local coefficient summary: min -0.66773, lower quartile -0.02149, median 0.040887 (recorded), upper quartile 0.128011, max 0.493299; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"314 },315 {316 "model_id": "T5-c1",317 "var_name_printed": "NumWash",318 "taxonomy_id": "bathrooms",319 "x_transform": "level",320 "x_unit": "count",321 "beta": 0.022523,322 "se": null,323 "t": null,324 "p": 0.0,325 "p_stars": "***",326 "ci_lo": null,327 "ci_hi": null,328 "page": 14,329 "confidence": "medium",330 "notes": "GWR local coefficient summary: min -0.64065, lower quartile -0.0432, median 0.022523 (recorded), upper quartile 0.06847, max 0.358014; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"331 },332 {333 "model_id": "T5-c1",334 "var_name_printed": "Area",335 "taxonomy_id": "living_area",336 "x_transform": "level",337 "x_unit": "m2",338 "beta": 0.074358,339 "se": null,340 "t": null,341 "p": 0.0,342 "p_stars": "***",343 "ci_lo": null,344 "ci_hi": null,345 "page": 14,346 "confidence": "medium",347 "notes": "GWR local coefficient summary: min -0.68338, lower quartile -0.01717, median 0.074358 (recorded), upper quartile 0.142633, max 1.335995; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"348 },349 {350 "model_id": "T5-c1",351 "var_name_printed": "RPlot",352 "taxonomy_id": "density",353 "x_transform": "level",354 "x_unit": "index",355 "beta": -0.1074,356 "se": null,357 "t": null,358 "p": 0.0,359 "p_stars": "***",360 "ci_lo": null,361 "ci_hi": null,362 "page": 14,363 "confidence": "medium",364 "notes": "GWR local coefficient summary: min -10.9418, lower quartile -0.5452, median -0.1074 (recorded), upper quartile 0.145695, max 1.900368; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"365 },366 {367 "model_id": "T5-c1",368 "var_name_printed": "RGreen",369 "taxonomy_id": "green_space",370 "x_transform": "level",371 "x_unit": "share",372 "beta": 0.089782,373 "se": null,374 "t": null,375 "p": 0.0,376 "p_stars": "***",377 "ci_lo": null,378 "ci_hi": null,379 "page": 14,380 "confidence": "medium",381 "notes": "GWR local coefficient summary: min -3.84742, lower quartile -0.0312, median 0.089782 (recorded), upper quartile 0.399657, max 1.858314; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"382 },383 {384 "model_id": "T5-c1",385 "var_name_printed": "Fee",386 "taxonomy_id": "other",387 "x_transform": "level",388 "x_unit": "currency",389 "beta": 0.25459,390 "se": null,391 "t": null,392 "p": 0.0,393 "p_stars": "***",394 "ci_lo": null,395 "ci_hi": null,396 "page": 14,397 "confidence": "medium",398 "notes": "GWR local coefficient summary: min -2.68112, lower quartile 0.015945, median 0.25459 (recorded), upper quartile 0.621551, max 4.052185; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"399 },400 {401 "model_id": "T5-c1",402 "var_name_printed": "DSub",403 "taxonomy_id": "transit_distance",404 "x_transform": "level",405 "x_unit": "km",406 "beta": -0.02085,407 "se": null,408 "t": null,409 "p": 0.0,410 "p_stars": "***",411 "ci_lo": null,412 "ci_hi": null,413 "page": 14,414 "confidence": "medium",415 "notes": "GWR local coefficient summary: min -12.302, lower quartile -0.40319, median -0.02085 (recorded), upper quartile 0.563174, max 15.22164; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"416 },417 {418 "model_id": "T5-c1",419 "var_name_printed": "DBus",420 "taxonomy_id": "transit_distance",421 "x_transform": "level",422 "x_unit": "km",423 "beta": -0.03028,424 "se": null,425 "t": null,426 "p": 0.004,427 "p_stars": "**",428 "ci_lo": null,429 "ci_hi": null,430 "page": 14,431 "confidence": "medium",432 "notes": "GWR local coefficient summary: min -4.17797, lower quartile -0.35394, median -0.03028 (recorded), upper quartile 0.509983, max 23.5197; p-value .004; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"433 },434 {435 "model_id": "T5-c1",436 "var_name_printed": "DSnursery",437 "taxonomy_id": "school_distance",438 "x_transform": "level",439 "x_unit": "km",440 "beta": -0.03278,441 "se": null,442 "t": null,443 "p": 0.0,444 "p_stars": "***",445 "ci_lo": null,446 "ci_hi": null,447 "page": 14,448 "confidence": "medium",449 "notes": "GWR local coefficient summary: min -18.9376, lower quartile -0.1124, median -0.03278 (recorded), upper quartile 0.158163, max 4.604339; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"450 },451 {452 "model_id": "T5-c1",453 "var_name_printed": "DSprimary",454 "taxonomy_id": "school_distance",455 "x_transform": "level",456 "x_unit": "km",457 "beta": 0.017652,458 "se": null,459 "t": null,460 "p": 0.0,461 "p_stars": "***",462 "ci_lo": null,463 "ci_hi": null,464 "page": 14,465 "confidence": "medium",466 "notes": "GWR local coefficient summary: min -12.4242, lower quartile -0.13258, median 0.017652 (recorded), upper quartile 0.261109, max 2.282185; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"467 },468 {469 "model_id": "T5-c1",470 "var_name_printed": "DSmiddle",471 "taxonomy_id": "school_distance",472 "x_transform": "level",473 "x_unit": "km",474 "beta": 0.017384,475 "se": null,476 "t": null,477 "p": 0.0,478 "p_stars": "***",479 "ci_lo": null,480 "ci_hi": null,481 "page": 14,482 "confidence": "medium",483 "notes": "GWR local coefficient summary: min -3.55686, lower quartile -0.41095, median 0.017384 (recorded), upper quartile 0.249635, max 14.10076; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"484 },485 {486 "model_id": "T5-c1",487 "var_name_printed": "DHospital",488 "taxonomy_id": "hospital_distance",489 "x_transform": "level",490 "x_unit": "km",491 "beta": -0.12827,492 "se": null,493 "t": null,494 "p": 0.0,495 "p_stars": "***",496 "ci_lo": null,497 "ci_hi": null,498 "page": 14,499 "confidence": "medium",500 "notes": "GWR local coefficient summary: min -4.868, lower quartile -0.62254, median -0.12827 (recorded), upper quartile 0.300655, max 5.447187; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"501 },502 {503 "model_id": "T5-c1",504 "var_name_printed": "DPark",505 "taxonomy_id": "green_space",506 "x_transform": "level",507 "x_unit": "km",508 "beta": 0.012992,509 "se": null,510 "t": null,511 "p": 0.855,512 "p_stars": "",513 "ci_lo": null,514 "ci_hi": null,515 "page": 14,516 "confidence": "medium",517 "notes": "GWR local coefficient summary: min -2.27624, lower quartile -0.07367, median 0.012992 (recorded), upper quartile 0.328673, max 11.93626; p-value .855; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"518 },519 {520 "model_id": "T5-c1",521 "var_name_printed": "DCBD",522 "taxonomy_id": "cbd_distance",523 "x_transform": "level",524 "x_unit": "km",525 "beta": -0.09705,526 "se": null,527 "t": null,528 "p": 0.0,529 "p_stars": "***",530 "ci_lo": null,531 "ci_hi": null,532 "page": 14,533 "confidence": "medium",534 "notes": "GWR local coefficient summary: min -16.3229, lower quartile -0.74499, median -0.09705 (recorded), upper quartile 0.430907, max 1.94271; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"535 },536 {537 "model_id": "T5-c1",538 "var_name_printed": "GiZScore_G",539 "taxonomy_id": "green_space",540 "x_transform": "level",541 "x_unit": "index",542 "beta": -0.1252,543 "se": null,544 "t": null,545 "p": 0.0,546 "p_stars": "***",547 "ci_lo": null,548 "ci_hi": null,549 "page": 14,550 "confidence": "medium",551 "notes": "GWR local coefficient summary: min -11.9198, lower quartile -2.41877, median -0.1252 (recorded), upper quartile 0.179357, max 4.508242; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"552 },553 {554 "model_id": "T5-c1",555 "var_name_printed": "GiZScore_C",556 "taxonomy_id": "neighbourhood_amenities",557 "x_transform": "level",558 "x_unit": "index",559 "beta": 0.463302,560 "se": null,561 "t": null,562 "p": 0.0,563 "p_stars": "***",564 "ci_lo": null,565 "ci_hi": null,566 "page": 14,567 "confidence": "medium",568 "notes": "GWR local coefficient summary: min -9.16523, lower quartile 0.015567, median 0.463302 (recorded), upper quartile 2.229864, max 11.68491; p-value .000; RPlot = plot (floor-area) ratio mapped to density; Fee = property management fee; DSnursery = distance to nursery school"569 }570 ]571}