1{2 "record_id": "461f8c8aa68c6a2b5157bc03f6d689991ee3ac64",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Estimating the Effects of Light Rail Transit (LRT) System on the Property Values in the Klang Valley, Malaysia: A Hedonic House Price Approach",7 "year": 2013,8 "doi": "10.11113/jt.v61.1620",9 "country": "Malaysia",10 "region_city": "Klang Valley (Kuala Lumpur), within 2 km of Kelana Jaya Line LRT stations",11 "sample_start": 2004,12 "sample_end": 2005,13 "property_type": "mixed",14 "price_type": "transaction",15 "data_source": "Department of Valuation and Property Services Malaysia transactions 2004/05, 1,580 observations within 2 km of LRT stations",16 "document_type": "journal",17 "estimators": [18 "OLS"19 ],20 "spatial_method": "none",21 "time_fe": false,22 "location_fe": false,23 "se_type": "unknown",24 "n_obs_total": 1580,25 "ai_methods": [],26 "notes": "Jurnal Teknologi 61(1):35-47. Table 4 reports linear (level) hedonic models with selling price in MYR as dependent variable; coefficients are MYR per unit (per metre for distances, per sqft for floor area). Continuous regressors are mean-centred. Model 3 uses straight-line distance to the LRT station, Model 4 network distance. Columns: coefficient, standard error, t-value, VIF. No significance stars; p_stars left empty. Sample size (1,580) from the text (p. 5), not printed in the table. Variables selected by stepwise procedure from 55 candidates. The constant's SE is garbled in the PDF text (not extracted). MALAY = proportion of Malays in the mukim (census 2000). TIMESAVINGS = travel-time savings to CBD in minutes (positive = better access), mapped to cbd_distance with x_transform 'other'."27 },28 "models": [29 {30 "model_id": "T4-c1",31 "table": "4",32 "column": "Model 3 (straight-line distance)",33 "page": 9,34 "dep_var": "SELLING (house transaction price, MYR)",35 "dep_transform": "level",36 "estimator": "OLS",37 "n_obs": 1580,38 "r2": 0.782,39 "se_or_t_in_parentheses": "none",40 "sample_subset": "All residential sales within 2 km of Kelana Jaya LRT stations; adjusted R2 78.2%; Model 3 (straight-line distance)"41 },42 {43 "model_id": "T4-c2",44 "table": "4",45 "column": "Model 4 (network distance)",46 "page": 9,47 "dep_var": "SELLING (house transaction price, MYR)",48 "dep_transform": "level",49 "estimator": "OLS",50 "n_obs": 1580,51 "r2": 0.782,52 "se_or_t_in_parentheses": "none",53 "sample_subset": "All residential sales within 2 km of Kelana Jaya LRT stations; adjusted R2 78.2%; Model 4 (network distance)"54 }55 ],56 "coefficients": [57 {58 "model_id": "T4-c1",59 "var_name_printed": "STRDIST",60 "taxonomy_id": "transit_distance",61 "x_transform": "level",62 "x_unit": "m",63 "beta": -10.56,64 "se": 4.95,65 "t": -2.16,66 "p": null,67 "p_stars": "",68 "ci_lo": null,69 "ci_hi": null,70 "page": 9,71 "confidence": "high",72 "notes": "Straight-line distance to nearest LRT station in metres; MYR per metre"73 },74 {75 "model_id": "T4-c2",76 "var_name_printed": "NETDIST",77 "taxonomy_id": "transit_distance",78 "x_transform": "level",79 "x_unit": "m",80 "beta": -6.61,81 "se": 3.03,82 "t": -2.31,83 "p": null,84 "p_stars": "",85 "ci_lo": null,86 "ci_hi": null,87 "page": 9,88 "confidence": "high",89 "notes": "Network distance to nearest LRT station in metres; MYR per metre"90 },91 {92 "model_id": "T4-c1",93 "var_name_printed": "TIMESAVINGS",94 "taxonomy_id": "cbd_distance",95 "x_transform": "other",96 "x_unit": "minutes",97 "beta": 2019.25,98 "se": 296.16,99 "t": 6.82,100 "p": null,101 "p_stars": "",102 "ci_lo": null,103 "ci_hi": null,104 "page": 9,105 "confidence": "high",106 "notes": "Travel time savings to CBD in minutes (higher = better accessibility); not a distance"107 },108 {109 "model_id": "T4-c2",110 "var_name_printed": "TIMESAVINGS",111 "taxonomy_id": "cbd_distance",112 "x_transform": "other",113 "x_unit": "minutes",114 "beta": 2046.17,115 "se": 296.15,116 "t": 6.87,117 "p": null,118 "p_stars": "",119 "ci_lo": null,120 "ci_hi": null,121 "page": 9,122 "confidence": "high",123 "notes": "Travel time savings to CBD in minutes (higher = better accessibility); not a distance"124 },125 {126 "model_id": "T4-c1",127 "var_name_printed": "FLRAREA",128 "taxonomy_id": "living_area",129 "x_transform": "level",130 "x_unit": "sqft",131 "beta": 310.63,132 "se": 13.09,133 "t": 24.07,134 "p": null,135 "p_stars": "",136 "ci_lo": null,137 "ci_hi": null,138 "page": 9,139 "confidence": "high",140 "notes": "Floor area in square feet, mean-centred"141 },142 {143 "model_id": "T4-c2",144 "var_name_printed": "FLRAREA",145 "taxonomy_id": "living_area",146 "x_transform": "level",147 "x_unit": "sqft",148 "beta": 312.65,149 "se": 13.09,150 "t": 23.99,151 "p": null,152 "p_stars": "",153 "ci_lo": null,154 "ci_hi": null,155 "page": 9,156 "confidence": "high",157 "notes": "Floor area in square feet, mean-centred"158 },159 {160 "model_id": "T4-c1",161 "var_name_printed": "BEDS",162 "taxonomy_id": "bedrooms",163 "x_transform": "level",164 "x_unit": "count",165 "beta": 31485.34,166 "se": 3922.05,167 "t": 8.01,168 "p": null,169 "p_stars": "",170 "ci_lo": null,171 "ci_hi": null,172 "page": 9,173 "confidence": "high",174 "notes": ""175 },176 {177 "model_id": "T4-c2",178 "var_name_printed": "BEDS",179 "taxonomy_id": "bedrooms",180 "x_transform": "level",181 "x_unit": "count",182 "beta": 31594.29,183 "se": 3922.04,184 "t": 8.06,185 "p": null,186 "p_stars": "",187 "ci_lo": null,188 "ci_hi": null,189 "page": 9,190 "confidence": "high",191 "notes": ""192 },193 {194 "model_id": "T4-c1",195 "var_name_printed": "TYPTRRD",196 "taxonomy_id": "dwelling_type",197 "x_transform": "binary",198 "x_unit": "binary",199 "beta": 71160.14,200 "se": 9509.88,201 "t": 7.44,202 "p": null,203 "p_stars": "",204 "ci_lo": null,205 "ci_hi": null,206 "page": 9,207 "confidence": "high",208 "notes": "Terraced house dummy"209 },210 {211 "model_id": "T4-c2",212 "var_name_printed": "TYPTRRD",213 "taxonomy_id": "dwelling_type",214 "x_transform": "binary",215 "x_unit": "binary",216 "beta": 72143.93,217 "se": 9509.88,218 "t": 7.61,219 "p": null,220 "p_stars": "",221 "ci_lo": null,222 "ci_hi": null,223 "page": 9,224 "confidence": "high",225 "notes": "Terraced house dummy"226 },227 {228 "model_id": "T4-c1",229 "var_name_printed": "TYPSEMID",230 "taxonomy_id": "dwelling_type",231 "x_transform": "binary",232 "x_unit": "binary",233 "beta": 139696.87,234 "se": 22626.95,235 "t": 6.19,236 "p": null,237 "p_stars": "",238 "ci_lo": null,239 "ci_hi": null,240 "page": 9,241 "confidence": "high",242 "notes": "Semi-detached house dummy"243 },244 {245 "model_id": "T4-c2",246 "var_name_printed": "TYPSEMID",247 "taxonomy_id": "dwelling_type",248 "x_transform": "binary",249 "x_unit": "binary",250 "beta": 138713.09,251 "se": 22626.95,252 "t": 6.15,253 "p": null,254 "p_stars": "",255 "ci_lo": null,256 "ci_hi": null,257 "page": 9,258 "confidence": "high",259 "notes": "Semi-detached house dummy"260 },261 {262 "model_id": "T4-c1",263 "var_name_printed": "TYPDETCH",264 "taxonomy_id": "dwelling_type",265 "x_transform": "binary",266 "x_unit": "binary",267 "beta": 173145.42,268 "se": 17052.2,269 "t": 10.16,270 "p": null,271 "p_stars": "",272 "ci_lo": null,273 "ci_hi": null,274 "page": 9,275 "confidence": "high",276 "notes": "Detached house dummy"277 },278 {279 "model_id": "T4-c2",280 "var_name_printed": "TYPDETCH",281 "taxonomy_id": "dwelling_type",282 "x_transform": "binary",283 "x_unit": "binary",284 "beta": 170849.93,285 "se": 17052.2,286 "t": 10.02,287 "p": null,288 "p_stars": "",289 "ci_lo": null,290 "ci_hi": null,291 "page": 9,292 "confidence": "high",293 "notes": "Detached house dummy"294 },295 {296 "model_id": "T4-c1",297 "var_name_printed": "TYPCONDO",298 "taxonomy_id": "dwelling_type",299 "x_transform": "binary",300 "x_unit": "binary",301 "beta": 184622.86,302 "se": 10165.74,303 "t": 18.23,304 "p": null,305 "p_stars": "",306 "ci_lo": null,307 "ci_hi": null,308 "page": 9,309 "confidence": "high",310 "notes": "Condominium dummy"311 },312 {313 "model_id": "T4-c2",314 "var_name_printed": "TYPCONDO",315 "taxonomy_id": "dwelling_type",316 "x_transform": "binary",317 "x_unit": "binary",318 "beta": 184950.79,319 "se": 10165.73,320 "t": 18.25,321 "p": null,322 "p_stars": "",323 "ci_lo": null,324 "ci_hi": null,325 "page": 9,326 "confidence": "high",327 "notes": "Condominium dummy"328 },329 {330 "model_id": "T4-c1",331 "var_name_printed": "CBD",332 "taxonomy_id": "cbd_distance",333 "x_transform": "level",334 "x_unit": "m",335 "beta": -17.96,336 "se": 1.52,337 "t": -11.75,338 "p": null,339 "p_stars": "",340 "ci_lo": null,341 "ci_hi": null,342 "page": 9,343 "confidence": "high",344 "notes": "Distance to Kuala Lumpur CBD in metres"345 },346 {347 "model_id": "T4-c2",348 "var_name_printed": "CBD",349 "taxonomy_id": "cbd_distance",350 "x_transform": "level",351 "x_unit": "m",352 "beta": -18.61,353 "se": 1.55,354 "t": -11.92,355 "p": null,356 "p_stars": "",357 "ci_lo": null,358 "ci_hi": null,359 "page": 9,360 "confidence": "high",361 "notes": "Distance to Kuala Lumpur CBD in metres"362 },363 {364 "model_id": "T4-c1",365 "var_name_printed": "PRIMARYSCH",366 "taxonomy_id": "school_distance",367 "x_transform": "level",368 "x_unit": "m",369 "beta": 26.25,370 "se": 3.94,371 "t": 6.75,372 "p": null,373 "p_stars": "",374 "ci_lo": null,375 "ci_hi": null,376 "page": 9,377 "confidence": "high",378 "notes": "Distance to nearest primary school in metres"379 },380 {381 "model_id": "T4-c2",382 "var_name_printed": "PRIMARYSCH",383 "taxonomy_id": "school_distance",384 "x_transform": "level",385 "x_unit": "m",386 "beta": 26.57,387 "se": 3.93,388 "t": 6.79,389 "p": null,390 "p_stars": "",391 "ci_lo": null,392 "ci_hi": null,393 "page": 9,394 "confidence": "high",395 "notes": "Distance to nearest primary school in metres"396 },397 {398 "model_id": "T4-c1",399 "var_name_printed": "SECONDARYSCH",400 "taxonomy_id": "school_distance",401 "x_transform": "level",402 "x_unit": "m",403 "beta": -11.11,404 "se": 4.66,405 "t": -2.4,406 "p": null,407 "p_stars": "",408 "ci_lo": null,409 "ci_hi": null,410 "page": 9,411 "confidence": "high",412 "notes": "Distance to nearest secondary school in metres"413 },414 {415 "model_id": "T4-c2",416 "var_name_printed": "SECONDARYSCH",417 "taxonomy_id": "school_distance",418 "x_transform": "level",419 "x_unit": "m",420 "beta": -11.11,421 "se": 4.66,422 "t": -2.36,423 "p": null,424 "p_stars": "",425 "ci_lo": null,426 "ci_hi": null,427 "page": 9,428 "confidence": "high",429 "notes": "Distance to nearest secondary school in metres"430 },431 {432 "model_id": "T4-c1",433 "var_name_printed": "COMMERCIAL",434 "taxonomy_id": "commercial_distance",435 "x_transform": "level",436 "x_unit": "m",437 "beta": -10.13,438 "se": 3.28,439 "t": -3.17,440 "p": null,441 "p_stars": "",442 "ci_lo": null,443 "ci_hi": null,444 "page": 9,445 "confidence": "high",446 "notes": "Distance to commercial areas in metres"447 },448 {449 "model_id": "T4-c2",450 "var_name_printed": "COMMERCIAL",451 "taxonomy_id": "commercial_distance",452 "x_transform": "level",453 "x_unit": "m",454 "beta": -9.54,455 "se": 3.28,456 "t": -2.94,457 "p": null,458 "p_stars": "",459 "ci_lo": null,460 "ci_hi": null,461 "page": 9,462 "confidence": "high",463 "notes": "Distance to commercial areas in metres"464 },465 {466 "model_id": "T4-c1",467 "var_name_printed": "PARK",468 "taxonomy_id": "green_space",469 "x_transform": "level",470 "x_unit": "m",471 "beta": -1.13,472 "se": 0.31,473 "t": -3.33,474 "p": null,475 "p_stars": "",476 "ci_lo": null,477 "ci_hi": null,478 "page": 9,479 "confidence": "high",480 "notes": "Distance to parks in metres"481 },482 {483 "model_id": "T4-c2",484 "var_name_printed": "PARK",485 "taxonomy_id": "green_space",486 "x_transform": "level",487 "x_unit": "m",488 "beta": -1.13,489 "se": 0.31,490 "t": -3.36,491 "p": null,492 "p_stars": "",493 "ci_lo": null,494 "ci_hi": null,495 "page": 9,496 "confidence": "high",497 "notes": "Distance to parks in metres"498 },499 {500 "model_id": "T4-c1",501 "var_name_printed": "HOSPITAL",502 "taxonomy_id": "hospital_distance",503 "x_transform": "level",504 "x_unit": "m",505 "beta": 3.4,506 "se": 1.29,507 "t": 2.64,508 "p": null,509 "p_stars": "",510 "ci_lo": null,511 "ci_hi": null,512 "page": 9,513 "confidence": "high",514 "notes": "Distance to hospitals in metres"515 },516 {517 "model_id": "T4-c2",518 "var_name_printed": "HOSPITAL",519 "taxonomy_id": "hospital_distance",520 "x_transform": "level",521 "x_unit": "m",522 "beta": 3.58,523 "se": 1.28,524 "t": 2.73,525 "p": null,526 "p_stars": "",527 "ci_lo": null,528 "ci_hi": null,529 "page": 9,530 "confidence": "high",531 "notes": "Distance to hospitals in metres"532 },533 {534 "model_id": "T4-c1",535 "var_name_printed": "RECREATION",536 "taxonomy_id": "neighbourhood_amenities",537 "x_transform": "level",538 "x_unit": "m",539 "beta": -4.81,540 "se": 1.7,541 "t": -2.84,542 "p": null,543 "p_stars": "",544 "ci_lo": null,545 "ci_hi": null,546 "page": 9,547 "confidence": "high",548 "notes": "Distance to recreational areas in metres"549 },550 {551 "model_id": "T4-c2",552 "var_name_printed": "RECREATION",553 "taxonomy_id": "neighbourhood_amenities",554 "x_transform": "level",555 "x_unit": "m",556 "beta": -4.65,557 "se": 1.7,558 "t": -2.76,559 "p": null,560 "p_stars": "",561 "ci_lo": null,562 "ci_hi": null,563 "page": 9,564 "confidence": "high",565 "notes": "Distance to recreational areas in metres"566 },567 {568 "model_id": "T4-c1",569 "var_name_printed": "INDUSTRY",570 "taxonomy_id": "hazard_site",571 "x_transform": "level",572 "x_unit": "m",573 "beta": 28.22,574 "se": 3.72,575 "t": 7.74,576 "p": null,577 "p_stars": "",578 "ci_lo": null,579 "ci_hi": null,580 "page": 9,581 "confidence": "high",582 "notes": "Distance to industrial areas in metres"583 },584 {585 "model_id": "T4-c2",586 "var_name_printed": "INDUSTRY",587 "taxonomy_id": "hazard_site",588 "x_transform": "level",589 "x_unit": "m",590 "beta": 26.91,591 "se": 3.71,592 "t": 7.23,593 "p": null,594 "p_stars": "",595 "ci_lo": null,596 "ci_hi": null,597 "page": 9,598 "confidence": "high",599 "notes": "Distance to industrial areas in metres"600 },601 {602 "model_id": "T4-c1",603 "var_name_printed": "MALAY",604 "taxonomy_id": "demographics",605 "x_transform": "level",606 "x_unit": "share",607 "beta": 3673.45,608 "se": 613.52,609 "t": 5.99,610 "p": null,611 "p_stars": "",612 "ci_lo": null,613 "ci_hi": null,614 "page": 9,615 "confidence": "high",616 "notes": "Proportion of Malays in the mukim (census 2000)"617 },618 {619 "model_id": "T4-c2",620 "var_name_printed": "MALAY",621 "taxonomy_id": "demographics",622 "x_transform": "level",623 "x_unit": "share",624 "beta": 3520.07,625 "se": 605.85,626 "t": 5.83,627 "p": null,628 "p_stars": "",629 "ci_lo": null,630 "ci_hi": null,631 "page": 9,632 "confidence": "high",633 "notes": "Proportion of Malays in the mukim (census 2000)"634 }635 ]636}