1{2 "record_id": "85ec88163a881d2f9a23ced6110d5e4e05b48d09",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Urban Traffic Arterials and the Sale Price of Single Family Houses in Portland: A Hedonic Analysis of Impacts",7 "year": 1997,8 "doi": "10.15760/etd.8061",9 "country": "United States",10 "region_city": "Portland, Oregon",11 "sample_start": 1994,12 "sample_end": 1994,13 "property_type": "single_family",14 "price_type": "transaction",15 "data_source": "Metroscan (Transamerica) 1994 single-family sales, Multnomah County assessor, Portland Neighborhood Profiles, U.S. Census, Metro traffic counts; 1,437 sales in final sample",16 "document_type": "thesis",17 "estimators": [18 "OLS"19 ],20 "spatial_method": "none",21 "time_fe": false,22 "location_fe": false,23 "se_type": "robust",24 "n_obs_total": 1437,25 "ai_methods": [],26 "notes": "Master of Urban Studies thesis (PSU, 1997; PDXScholar DOI 2022). Dependent variable = natural log of 1994 sale price. Final model (Table 6, p.47) estimated by OLS with White heteroskedasticity-consistent covariance ('hetcov'); t-scores and p-values printed, no SEs. Table 5 (p.46) compares four test models (coefficients and t-scores only; adj. R2 .595-.597; SE type not stated, assumed same OLS). Scanned PDF: numbers checked against the page image. Sign inconsistency in Table 5: PCTBADEG printed -0.0161 (Model 1) and -0.0165 (Model 4) with positive t-scores (7.06, 7.23) while Models 2-3 and Table 6 print positive coefficients; flagged medium confidence. HIGH85/350/550 and WIN85/350/550 are distance bands (feet) to a high-traffic / any arterial, mapped to highway_distance as dummies; LINKDIST = distance to nearest arterial link (feet). Traffic-group dummies (UNKNDUM medium, NOTRADUM low traffic) mapped to 'other'."27 },28 "models": [29 {30 "model_id": "T5-m1",31 "table": "5",32 "column": "1",33 "page": 46,34 "dep_var": "ln(1994 sale price)",35 "dep_transform": "log",36 "estimator": "OLS",37 "n_obs": 1437,38 "r2": 0.595,39 "se_or_t_in_parentheses": "none",40 "sample_subset": "Test model 1: structural + neighbourhood + traffic-group dummies; adj. R2 reported; t-scores in column"41 },42 {43 "model_id": "T5-m2",44 "table": "5",45 "column": "2",46 "page": 46,47 "dep_var": "ln(1994 sale price)",48 "dep_transform": "log",49 "estimator": "OLS",50 "n_obs": 1437,51 "r2": 0.597,52 "se_or_t_in_parentheses": "none",53 "sample_subset": "Test model 2: structural + neighbourhood + continuous distance to arterial; adj. R2 reported; t-scores in column"54 },55 {56 "model_id": "T5-m3",57 "table": "5",58 "column": "3",59 "page": 46,60 "dep_var": "ln(1994 sale price)",61 "dep_transform": "log",62 "estimator": "OLS",63 "n_obs": 1437,64 "r2": 0.597,65 "se_or_t_in_parentheses": "none",66 "sample_subset": "Test model 3: structural + neighbourhood + distance bands to any arterial; adj. R2 reported; t-scores in column"67 },68 {69 "model_id": "T5-m4",70 "table": "5",71 "column": "4",72 "page": 46,73 "dep_var": "ln(1994 sale price)",74 "dep_transform": "log",75 "estimator": "OLS",76 "n_obs": 1437,77 "r2": 0.597,78 "se_or_t_in_parentheses": "none",79 "sample_subset": "Test model 4: structural + neighbourhood + traffic-group dummies + distance bands to any arterial; adj. R2 reported; t-scores in column"80 },81 {82 "model_id": "T6-c1",83 "table": "6",84 "column": "1",85 "page": 47,86 "dep_var": "ln(1994 sale price)",87 "dep_transform": "log",88 "estimator": "OLS",89 "n_obs": 1437,90 "r2": 0.6,91 "se_or_t_in_parentheses": "none",92 "sample_subset": "Final model, White heteroskedasticity-consistent covariance; t-score and p-value in columns; R2 .60, adj. R2 .5963 (Table 7, p.48)"93 }94 ],95 "coefficients": [96 {97 "model_id": "T5-m1",98 "var_name_printed": "BATHRMS",99 "taxonomy_id": "bathrooms",100 "x_transform": "level",101 "x_unit": "count",102 "beta": 0.0439,103 "se": null,104 "t": 1.705,105 "p": null,106 "p_stars": "",107 "ci_lo": null,108 "ci_hi": null,109 "page": 46,110 "confidence": "high",111 "notes": "number of bathrooms"112 },113 {114 "model_id": "T5-m1",115 "var_name_printed": "FIREPLC",116 "taxonomy_id": "fireplace",117 "x_transform": "level",118 "x_unit": "count",119 "beta": 0.0775,120 "se": null,121 "t": 5.38,122 "p": null,123 "p_stars": "",124 "ci_lo": null,125 "ci_hi": null,126 "page": 46,127 "confidence": "high",128 "notes": "number of fireplaces"129 },130 {131 "model_id": "T5-m1",132 "var_name_printed": "GARAGE",133 "taxonomy_id": "garage",134 "x_transform": "level",135 "x_unit": "count (cars)",136 "beta": 0.0379,137 "se": null,138 "t": 2.638,139 "p": null,140 "p_stars": "",141 "ci_lo": null,142 "ci_hi": null,143 "page": 46,144 "confidence": "high",145 "notes": "number of cars that fit in garage"146 },147 {148 "model_id": "T5-m1",149 "var_name_printed": "SQFTBLD",150 "taxonomy_id": "living_area",151 "x_transform": "level",152 "x_unit": "sqft",153 "beta": 0.0006,154 "se": null,155 "t": 8.467,156 "p": null,157 "p_stars": "",158 "ci_lo": null,159 "ci_hi": null,160 "page": 46,161 "confidence": "high",162 "notes": "building area; squared term also included"163 },164 {165 "model_id": "T5-m1",166 "var_name_printed": "SQFTBD2",167 "taxonomy_id": "living_area",168 "x_transform": "squared",169 "x_unit": "sqft squared",170 "beta": -1e-07,171 "se": null,172 "t": -4.341,173 "p": null,174 "p_stars": "",175 "ci_lo": null,176 "ci_hi": null,177 "page": 46,178 "confidence": "high",179 "notes": "square of building area"180 },181 {182 "model_id": "T5-m1",183 "var_name_printed": "SQFTLOT",184 "taxonomy_id": "lot_size",185 "x_transform": "level",186 "x_unit": "sqft",187 "beta": 1e-05,188 "se": null,189 "t": 1.23,190 "p": null,191 "p_stars": "",192 "ci_lo": null,193 "ci_hi": null,194 "page": 46,195 "confidence": "high",196 "notes": "lot size; squared term also included"197 },198 {199 "model_id": "T5-m1",200 "var_name_printed": "SQFTLOT2",201 "taxonomy_id": "lot_size",202 "x_transform": "squared",203 "x_unit": "sqft squared",204 "beta": -1e-11,205 "se": null,206 "t": -0.325,207 "p": null,208 "p_stars": "",209 "ci_lo": null,210 "ci_hi": null,211 "page": 46,212 "confidence": "high",213 "notes": "square of lot size"214 },215 {216 "model_id": "T5-m1",217 "var_name_printed": "STORIES",218 "taxonomy_id": "storeys",219 "x_transform": "level",220 "x_unit": "count (1, 1.5, 2)",221 "beta": 0.0512,222 "se": null,223 "t": 1.497,224 "p": null,225 "p_stars": "",226 "ci_lo": null,227 "ci_hi": null,228 "page": 46,229 "confidence": "high",230 "notes": "number of stories"231 },232 {233 "model_id": "T5-m1",234 "var_name_printed": "VIEW",235 "taxonomy_id": "view",236 "x_transform": "level",237 "x_unit": "index 0-6",238 "beta": 0.0556,239 "se": null,240 "t": 4.39,241 "p": null,242 "p_stars": "",243 "ci_lo": null,244 "ci_hi": null,245 "page": 46,246 "confidence": "high",247 "notes": "view index, 0 = no view, max 6"248 },249 {250 "model_id": "T5-m1",251 "var_name_printed": "STRUCAGE",252 "taxonomy_id": "age",253 "x_transform": "level",254 "x_unit": "years",255 "beta": -0.0037,256 "se": null,257 "t": -2.56,258 "p": null,259 "p_stars": "",260 "ci_lo": null,261 "ci_hi": null,262 "page": 46,263 "confidence": "high",264 "notes": "age of structure; squared term also included"265 },266 {267 "model_id": "T5-m1",268 "var_name_printed": "STRUCAG2",269 "taxonomy_id": "age",270 "x_transform": "squared",271 "x_unit": "years squared",272 "beta": 2e-05,273 "se": null,274 "t": 1.57,275 "p": null,276 "p_stars": "",277 "ci_lo": null,278 "ci_hi": null,279 "page": 46,280 "confidence": "high",281 "notes": "square of structure age"282 },283 {284 "model_id": "T5-m1",285 "var_name_printed": "NEGHAGE",286 "taxonomy_id": "other",287 "x_transform": "level",288 "x_unit": "years",289 "beta": -0.0041,290 "se": null,291 "t": -2.931,292 "p": null,293 "p_stars": "",294 "ci_lo": null,295 "ci_hi": null,296 "page": 46,297 "confidence": "high",298 "notes": "age of the neighborhood in years"299 },300 {301 "model_id": "T5-m1",302 "var_name_printed": "VANDAL",303 "taxonomy_id": "crime",304 "x_transform": "level",305 "x_unit": "vandalism incidents per resident per year (neighborhood)",306 "beta": 0.0042,307 "se": null,308 "t": 2.49,309 "p": null,310 "p_stars": "",311 "ci_lo": null,312 "ci_hi": null,313 "page": 46,314 "confidence": "high",315 "notes": "neighborhood vandalism rate"316 },317 {318 "model_id": "T5-m1",319 "var_name_printed": "BURGLAR",320 "taxonomy_id": "crime",321 "x_transform": "level",322 "x_unit": "burglary incidents per resident per year (neighborhood)",323 "beta": -0.0304,324 "se": null,325 "t": -4.117,326 "p": null,327 "p_stars": "",328 "ci_lo": null,329 "ci_hi": null,330 "page": 46,331 "confidence": "high",332 "notes": "neighborhood burglary rate"333 },334 {335 "model_id": "T5-m1",336 "var_name_printed": "MDFAMINC",337 "taxonomy_id": "income",338 "x_transform": "level",339 "x_unit": "USD (median family income of neighborhood)",340 "beta": -9e-07,341 "se": null,342 "t": -0.3963,343 "p": null,344 "p_stars": "",345 "ci_lo": null,346 "ci_hi": null,347 "page": 46,348 "confidence": "medium",349 "notes": "neighborhood median family income; coefficient printed with 6-7 decimals in scan"350 },351 {352 "model_id": "T5-m1",353 "var_name_printed": "NONWHTE",354 "taxonomy_id": "demographics",355 "x_transform": "level",356 "x_unit": "percent",357 "beta": -0.0027,358 "se": null,359 "t": -2.766,360 "p": null,361 "p_stars": "",362 "ci_lo": null,363 "ci_hi": null,364 "page": 46,365 "confidence": "high",366 "notes": "percent of neighborhood population non-white"367 },368 {369 "model_id": "T5-m1",370 "var_name_printed": "PCTBADEG",371 "taxonomy_id": "education_level",372 "x_transform": "level",373 "x_unit": "percent",374 "beta": -0.0161,375 "se": null,376 "t": 7.064,377 "p": null,378 "p_stars": "",379 "ci_lo": null,380 "ci_hi": null,381 "page": 46,382 "confidence": "medium",383 "notes": "percent of neighborhood population with a B.A. degree; printed negative coefficient with positive t-score (likely sign typo; Table 6 gives +0.0163)"384 },385 {386 "model_id": "T5-m1",387 "var_name_printed": "UNKNDUM",388 "taxonomy_id": "other",389 "x_transform": "dummy",390 "x_unit": "binary",391 "beta": -0.0107,392 "se": null,393 "t": -0.477,394 "p": null,395 "p_stars": "",396 "ci_lo": null,397 "ci_hi": null,398 "page": 46,399 "confidence": "high",400 "notes": "nearest arterial in medium traffic group"401 },402 {403 "model_id": "T5-m1",404 "var_name_printed": "NOTRADUM",405 "taxonomy_id": "other",406 "x_transform": "dummy",407 "x_unit": "binary",408 "beta": 0.0272,409 "se": null,410 "t": null,411 "p": null,412 "p_stars": "",413 "ci_lo": null,414 "ci_hi": null,415 "page": 46,416 "confidence": "medium",417 "notes": "nearest arterial in low traffic group; t-score illegible in scan (printed '1.1.6')"418 },419 {420 "model_id": "T5-m2",421 "var_name_printed": "BATHRMS",422 "taxonomy_id": "bathrooms",423 "x_transform": "level",424 "x_unit": "count",425 "beta": 0.0438,426 "se": null,427 "t": 1.702,428 "p": null,429 "p_stars": "",430 "ci_lo": null,431 "ci_hi": null,432 "page": 46,433 "confidence": "high",434 "notes": "number of bathrooms"435 },436 {437 "model_id": "T5-m2",438 "var_name_printed": "FIREPLC",439 "taxonomy_id": "fireplace",440 "x_transform": "level",441 "x_unit": "count",442 "beta": 0.0781,443 "se": null,444 "t": 5.495,445 "p": null,446 "p_stars": "",447 "ci_lo": null,448 "ci_hi": null,449 "page": 46,450 "confidence": "high",451 "notes": "number of fireplaces"452 },453 {454 "model_id": "T5-m2",455 "var_name_printed": "GARAGE",456 "taxonomy_id": "garage",457 "x_transform": "level",458 "x_unit": "count (cars)",459 "beta": 0.0387,460 "se": null,461 "t": 2.72,462 "p": null,463 "p_stars": "",464 "ci_lo": null,465 "ci_hi": null,466 "page": 46,467 "confidence": "high",468 "notes": "number of cars that fit in garage"469 },470 {471 "model_id": "T5-m2",472 "var_name_printed": "SQFTBLD",473 "taxonomy_id": "living_area",474 "x_transform": "level",475 "x_unit": "sqft",476 "beta": 0.0006,477 "se": null,478 "t": 8.541,479 "p": null,480 "p_stars": "",481 "ci_lo": null,482 "ci_hi": null,483 "page": 46,484 "confidence": "high",485 "notes": "building area; squared term also included"486 },487 {488 "model_id": "T5-m2",489 "var_name_printed": "SQFTBD2",490 "taxonomy_id": "living_area",491 "x_transform": "squared",492 "x_unit": "sqft squared",493 "beta": -1e-07,494 "se": null,495 "t": -4.398,496 "p": null,497 "p_stars": "",498 "ci_lo": null,499 "ci_hi": null,500 "page": 46,501 "confidence": "high",502 "notes": "square of building area"503 },504 {505 "model_id": "T5-m2",506 "var_name_printed": "SQFTLOT",507 "taxonomy_id": "lot_size",508 "x_transform": "level",509 "x_unit": "sqft",510 "beta": 1e-06,511 "se": null,512 "t": 1.047,513 "p": null,514 "p_stars": "",515 "ci_lo": null,516 "ci_hi": null,517 "page": 46,518 "confidence": "high",519 "notes": "lot size; squared term also included"520 },521 {522 "model_id": "T5-m2",523 "var_name_printed": "SQFTLOT2",524 "taxonomy_id": "lot_size",525 "x_transform": "squared",526 "x_unit": "sqft squared",527 "beta": -4e-11,528 "se": null,529 "t": -0.144,530 "p": null,531 "p_stars": "",532 "ci_lo": null,533 "ci_hi": null,534 "page": 46,535 "confidence": "high",536 "notes": "square of lot size"537 },538 {539 "model_id": "T5-m2",540 "var_name_printed": "STORIES",541 "taxonomy_id": "storeys",542 "x_transform": "level",543 "x_unit": "count (1, 1.5, 2)",544 "beta": 0.0515,545 "se": null,546 "t": 1.506,547 "p": null,548 "p_stars": "",549 "ci_lo": null,550 "ci_hi": null,551 "page": 46,552 "confidence": "high",553 "notes": "number of stories"554 },555 {556 "model_id": "T5-m2",557 "var_name_printed": "VIEW",558 "taxonomy_id": "view",559 "x_transform": "level",560 "x_unit": "index 0-6",561 "beta": 0.057,562 "se": null,563 "t": 4.537,564 "p": null,565 "p_stars": "",566 "ci_lo": null,567 "ci_hi": null,568 "page": 46,569 "confidence": "high",570 "notes": "view index, 0 = no view, max 6"571 },572 {573 "model_id": "T5-m2",574 "var_name_printed": "STRUCAGE",575 "taxonomy_id": "age",576 "x_transform": "level",577 "x_unit": "years",578 "beta": -0.0036,579 "se": null,580 "t": -2.512,581 "p": null,582 "p_stars": "",583 "ci_lo": null,584 "ci_hi": null,585 "page": 46,586 "confidence": "high",587 "notes": "age of structure; squared term also included"588 },589 {590 "model_id": "T5-m2",591 "var_name_printed": "STRUCAG2",592 "taxonomy_id": "age",593 "x_transform": "squared",594 "x_unit": "years squared",595 "beta": 2e-05,596 "se": null,597 "t": 1.547,598 "p": null,599 "p_stars": "",600 "ci_lo": null,601 "ci_hi": null,602 "page": 46,603 "confidence": "high",604 "notes": "square of structure age"605 },606 {607 "model_id": "T5-m2",608 "var_name_printed": "NEGHAGE",609 "taxonomy_id": "other",610 "x_transform": "level",611 "x_unit": "years",612 "beta": -0.004,613 "se": null,614 "t": -2.831,615 "p": null,616 "p_stars": "",617 "ci_lo": null,618 "ci_hi": null,619 "page": 46,620 "confidence": "high",621 "notes": "age of the neighborhood in years"622 },623 {624 "model_id": "T5-m2",625 "var_name_printed": "VANDAL",626 "taxonomy_id": "crime",627 "x_transform": "level",628 "x_unit": "vandalism incidents per resident per year (neighborhood)",629 "beta": 0.0041,630 "se": null,631 "t": 2.459,632 "p": null,633 "p_stars": "",634 "ci_lo": null,635 "ci_hi": null,636 "page": 46,637 "confidence": "high",638 "notes": "neighborhood vandalism rate"639 },640 {641 "model_id": "T5-m2",642 "var_name_printed": "BURGLAR",643 "taxonomy_id": "crime",644 "x_transform": "level",645 "x_unit": "burglary incidents per resident per year (neighborhood)",646 "beta": -0.0297,647 "se": null,648 "t": -4.117,649 "p": null,650 "p_stars": "",651 "ci_lo": null,652 "ci_hi": null,653 "page": 46,654 "confidence": "high",655 "notes": "neighborhood burglary rate"656 },657 {658 "model_id": "T5-m2",659 "var_name_printed": "MDFAMINC",660 "taxonomy_id": "income",661 "x_transform": "level",662 "x_unit": "USD (median family income of neighborhood)",663 "beta": -1e-06,664 "se": null,665 "t": -0.504,666 "p": null,667 "p_stars": "",668 "ci_lo": null,669 "ci_hi": null,670 "page": 46,671 "confidence": "medium",672 "notes": "neighborhood median family income; coefficient printed with 6-7 decimals in scan"673 },674 {675 "model_id": "T5-m2",676 "var_name_printed": "NONWHTE",677 "taxonomy_id": "demographics",678 "x_transform": "level",679 "x_unit": "percent",680 "beta": -0.0029,681 "se": null,682 "t": -3.007,683 "p": null,684 "p_stars": "",685 "ci_lo": null,686 "ci_hi": null,687 "page": 46,688 "confidence": "high",689 "notes": "percent of neighborhood population non-white"690 },691 {692 "model_id": "T5-m2",693 "var_name_printed": "PCTBADEG",694 "taxonomy_id": "education_level",695 "x_transform": "level",696 "x_unit": "percent",697 "beta": 0.0164,698 "se": null,699 "t": 7.186,700 "p": null,701 "p_stars": "",702 "ci_lo": null,703 "ci_hi": null,704 "page": 46,705 "confidence": "high",706 "notes": "percent of neighborhood population with a B.A. degree"707 },708 {709 "model_id": "T5-m2",710 "var_name_printed": "LINKDIST",711 "taxonomy_id": "highway_distance",712 "x_transform": "level",713 "x_unit": "feet",714 "beta": 8e-05,715 "se": null,716 "t": 3.083,717 "p": null,718 "p_stars": "",719 "ci_lo": null,720 "ci_hi": null,721 "page": 46,722 "confidence": "high",723 "notes": "distance to nearest arterial link"724 },725 {726 "model_id": "T5-m3",727 "var_name_printed": "BATHRMS",728 "taxonomy_id": "bathrooms",729 "x_transform": "level",730 "x_unit": "count",731 "beta": 0.0422,732 "se": null,733 "t": 1.635,734 "p": null,735 "p_stars": "",736 "ci_lo": null,737 "ci_hi": null,738 "page": 46,739 "confidence": "high",740 "notes": "number of bathrooms"741 },742 {743 "model_id": "T5-m3",744 "var_name_printed": "FIREPLC",745 "taxonomy_id": "fireplace",746 "x_transform": "level",747 "x_unit": "count",748 "beta": 0.0784,749 "se": null,750 "t": 5.494,751 "p": null,752 "p_stars": "",753 "ci_lo": null,754 "ci_hi": null,755 "page": 46,756 "confidence": "high",757 "notes": "number of fireplaces"758 },759 {760 "model_id": "T5-m3",761 "var_name_printed": "GARAGE",762 "taxonomy_id": "garage",763 "x_transform": "level",764 "x_unit": "count (cars)",765 "beta": 0.0392,766 "se": null,767 "t": 2.758,768 "p": null,769 "p_stars": "",770 "ci_lo": null,771 "ci_hi": null,772 "page": 46,773 "confidence": "high",774 "notes": "number of cars that fit in garage"775 },776 {777 "model_id": "T5-m3",778 "var_name_printed": "SQFTBLD",779 "taxonomy_id": "living_area",780 "x_transform": "level",781 "x_unit": "sqft",782 "beta": 0.00061,783 "se": null,784 "t": 8.512,785 "p": null,786 "p_stars": "",787 "ci_lo": null,788 "ci_hi": null,789 "page": 46,790 "confidence": "high",791 "notes": "building area; squared term also included"792 },793 {794 "model_id": "T5-m3",795 "var_name_printed": "SQFTBD2",796 "taxonomy_id": "living_area",797 "x_transform": "squared",798 "x_unit": "sqft squared",799 "beta": -1e-07,800 "se": null,801 "t": -4.386,802 "p": null,803 "p_stars": "",804 "ci_lo": null,805 "ci_hi": null,806 "page": 46,807 "confidence": "high",808 "notes": "square of building area"809 },810 {811 "model_id": "T5-m3",812 "var_name_printed": "SQFTLOT",813 "taxonomy_id": "lot_size",814 "x_transform": "level",815 "x_unit": "sqft",816 "beta": 7e-06,817 "se": null,818 "t": 0.947,819 "p": null,820 "p_stars": "",821 "ci_lo": null,822 "ci_hi": null,823 "page": 46,824 "confidence": "high",825 "notes": "lot size; squared term also included"826 },827 {828 "model_id": "T5-m3",829 "var_name_printed": "SQFTLOT2",830 "taxonomy_id": "lot_size",831 "x_transform": "squared",832 "x_unit": "sqft squared",833 "beta": -1e-11,834 "se": null,835 "t": -0.034,836 "p": null,837 "p_stars": "",838 "ci_lo": null,839 "ci_hi": null,840 "page": 46,841 "confidence": "high",842 "notes": "square of lot size"843 },844 {845 "model_id": "T5-m3",846 "var_name_printed": "STORIES",847 "taxonomy_id": "storeys",848 "x_transform": "level",849 "x_unit": "count (1, 1.5, 2)",850 "beta": 0.0528,851 "se": null,852 "t": 1.538,853 "p": null,854 "p_stars": "",855 "ci_lo": null,856 "ci_hi": null,857 "page": 46,858 "confidence": "high",859 "notes": "number of stories"860 },861 {862 "model_id": "T5-m3",863 "var_name_printed": "VIEW",864 "taxonomy_id": "view",865 "x_transform": "level",866 "x_unit": "index 0-6",867 "beta": 0.0573,868 "se": null,869 "t": 4.654,870 "p": null,871 "p_stars": "",872 "ci_lo": null,873 "ci_hi": null,874 "page": 46,875 "confidence": "high",876 "notes": "view index, 0 = no view, max 6"877 },878 {879 "model_id": "T5-m3",880 "var_name_printed": "STRUCAGE",881 "taxonomy_id": "age",882 "x_transform": "level",883 "x_unit": "years",884 "beta": -0.0036,885 "se": null,886 "t": -2.485,887 "p": null,888 "p_stars": "",889 "ci_lo": null,890 "ci_hi": null,891 "page": 46,892 "confidence": "high",893 "notes": "age of structure; squared term also included"894 },895 {896 "model_id": "T5-m3",897 "var_name_printed": "STRUCAG2",898 "taxonomy_id": "age",899 "x_transform": "squared",900 "x_unit": "years squared",901 "beta": 2e-05,902 "se": null,903 "t": 1.522,904 "p": null,905 "p_stars": "",906 "ci_lo": null,907 "ci_hi": null,908 "page": 46,909 "confidence": "high",910 "notes": "square of structure age"911 },912 {913 "model_id": "T5-m3",914 "var_name_printed": "NEGHAGE",915 "taxonomy_id": "other",916 "x_transform": "level",917 "x_unit": "years",918 "beta": -0.004,919 "se": null,920 "t": -2.819,921 "p": null,922 "p_stars": "",923 "ci_lo": null,924 "ci_hi": null,925 "page": 46,926 "confidence": "high",927 "notes": "age of the neighborhood in years"928 },929 {930 "model_id": "T5-m3",931 "var_name_printed": "VANDAL",932 "taxonomy_id": "crime",933 "x_transform": "level",934 "x_unit": "vandalism incidents per resident per year (neighborhood)",935 "beta": 0.0042,936 "se": null,937 "t": 2.436,938 "p": null,939 "p_stars": "",940 "ci_lo": null,941 "ci_hi": null,942 "page": 46,943 "confidence": "high",944 "notes": "neighborhood vandalism rate"945 },946 {947 "model_id": "T5-m3",948 "var_name_printed": "BURGLAR",949 "taxonomy_id": "crime",950 "x_transform": "level",951 "x_unit": "burglary incidents per resident per year (neighborhood)",952 "beta": -0.0295,953 "se": null,954 "t": -4.112,955 "p": null,956 "p_stars": "",957 "ci_lo": null,958 "ci_hi": null,959 "page": 46,960 "confidence": "high",961 "notes": "neighborhood burglary rate"962 },963 {964 "model_id": "T5-m3",965 "var_name_printed": "MDFAMINC",966 "taxonomy_id": "income",967 "x_transform": "level",968 "x_unit": "USD (median family income of neighborhood)",969 "beta": -1e-06,970 "se": null,971 "t": -0.497,972 "p": null,973 "p_stars": "",974 "ci_lo": null,975 "ci_hi": null,976 "page": 46,977 "confidence": "medium",978 "notes": "neighborhood median family income; coefficient printed with 6-7 decimals in scan"979 },980 {981 "model_id": "T5-m3",982 "var_name_printed": "NONWHTE",983 "taxonomy_id": "demographics",984 "x_transform": "level",985 "x_unit": "percent",986 "beta": -0.003,987 "se": null,988 "t": -3.04,989 "p": null,990 "p_stars": "",991 "ci_lo": null,992 "ci_hi": null,993 "page": 46,994 "confidence": "high",995 "notes": "percent of neighborhood population non-white"996 },997 {998 "model_id": "T5-m3",999 "var_name_printed": "PCTBADEG",1000 "taxonomy_id": "education_level",1001 "x_transform": "level",1002 "x_unit": "percent",1003 "beta": 0.0165,1004 "se": null,1005 "t": 7.214,1006 "p": null,1007 "p_stars": "",1008 "ci_lo": null,1009 "ci_hi": null,1010 "page": 46,1011 "confidence": "high",1012 "notes": "percent of neighborhood population with a B.A. degree"1013 },1014 {1015 "model_id": "T5-m3",1016 "var_name_printed": "WIN85",1017 "taxonomy_id": "highway_distance",1018 "x_transform": "dummy",1019 "x_unit": "binary (within 85 feet of any arterial)",1020 "beta": -0.0883,1021 "se": null,1022 "t": -2.36,1023 "p": null,1024 "p_stars": "",1025 "ci_lo": null,1026 "ci_hi": null,1027 "page": 46,1028 "confidence": "high",1029 "notes": "= 1 if house within 85 ft of an arterial (any traffic level)"1030 },1031 {1032 "model_id": "T5-m3",1033 "var_name_printed": "WIN350",1034 "taxonomy_id": "highway_distance",1035 "x_transform": "dummy",1036 "x_unit": "binary (85-350 feet of any arterial)",1037 "beta": -0.0603,1038 "se": null,1039 "t": -3.265,1040 "p": null,1041 "p_stars": "",1042 "ci_lo": null,1043 "ci_hi": null,1044 "page": 46,1045 "confidence": "high",1046 "notes": "= 1 if house between 85 and 350 ft of an arterial"1047 },1048 {1049 "model_id": "T5-m3",1050 "var_name_printed": "WIN550",1051 "taxonomy_id": "highway_distance",1052 "x_transform": "dummy",1053 "x_unit": "binary (350-550 feet of any arterial)",1054 "beta": -0.0153,1055 "se": null,1056 "t": -0.8,1057 "p": null,1058 "p_stars": "",1059 "ci_lo": null,1060 "ci_hi": null,1061 "page": 46,1062 "confidence": "high",1063 "notes": "= 1 if house between 350 and 550 ft of an arterial"1064 },1065 {1066 "model_id": "T5-m4",1067 "var_name_printed": "BATHRMS",1068 "taxonomy_id": "bathrooms",1069 "x_transform": "level",1070 "x_unit": "count",1071 "beta": 0.0422,1072 "se": null,1073 "t": 1.637,1074 "p": null,1075 "p_stars": "",1076 "ci_lo": null,1077 "ci_hi": null,1078 "page": 46,1079 "confidence": "high",1080 "notes": "number of bathrooms"1081 },1082 {1083 "model_id": "T5-m4",1084 "var_name_printed": "FIREPLC",1085 "taxonomy_id": "fireplace",1086 "x_transform": "level",1087 "x_unit": "count",1088 "beta": 0.0786,1089 "se": null,1090 "t": 5.47,1091 "p": null,1092 "p_stars": "",1093 "ci_lo": null,1094 "ci_hi": null,1095 "page": 46,1096 "confidence": "high",1097 "notes": "number of fireplaces"1098 },1099 {1100 "model_id": "T5-m4",1101 "var_name_printed": "GARAGE",1102 "taxonomy_id": "garage",1103 "x_transform": "level",1104 "x_unit": "count (cars)",1105 "beta": 0.0393,1106 "se": null,1107 "t": 2.76,1108 "p": null,1109 "p_stars": "",1110 "ci_lo": null,1111 "ci_hi": null,1112 "page": 46,1113 "confidence": "high",1114 "notes": "number of cars that fit in garage"1115 },1116 {1117 "model_id": "T5-m4",1118 "var_name_printed": "SQFTBLD",1119 "taxonomy_id": "living_area",1120 "x_transform": "level",1121 "x_unit": "sqft",1122 "beta": 0.0006,1123 "se": null,1124 "t": 8.491,1125 "p": null,1126 "p_stars": "",1127 "ci_lo": null,1128 "ci_hi": null,1129 "page": 46,1130 "confidence": "high",1131 "notes": "building area; squared term also included"1132 },1133 {1134 "model_id": "T5-m4",1135 "var_name_printed": "SQFTBD2",1136 "taxonomy_id": "living_area",1137 "x_transform": "squared",1138 "x_unit": "sqft squared",1139 "beta": -1e-07,1140 "se": null,1141 "t": -4.78,1142 "p": null,1143 "p_stars": "",1144 "ci_lo": null,1145 "ci_hi": null,1146 "page": 46,1147 "confidence": "high",1148 "notes": "square of building area"1149 },1150 {1151 "model_id": "T5-m4",1152 "var_name_printed": "SQFTLOT",1153 "taxonomy_id": "lot_size",1154 "x_transform": "level",1155 "x_unit": "sqft",1156 "beta": 7e-06,1157 "se": null,1158 "t": 0.948,1159 "p": null,1160 "p_stars": "",1161 "ci_lo": null,1162 "ci_hi": null,1163 "page": 46,1164 "confidence": "high",1165 "notes": "lot size; squared term also included"1166 },1167 {1168 "model_id": "T5-m4",1169 "var_name_printed": "SQFTLOT2",1170 "taxonomy_id": "lot_size",1171 "x_transform": "squared",1172 "x_unit": "sqft squared",1173 "beta": -1e-11,1174 "se": null,1175 "t": -0.034,1176 "p": null,1177 "p_stars": "",1178 "ci_lo": null,1179 "ci_hi": null,1180 "page": 46,1181 "confidence": "high",1182 "notes": "square of lot size"1183 },1184 {1185 "model_id": "T5-m4",1186 "var_name_printed": "STORIES",1187 "taxonomy_id": "storeys",1188 "x_transform": "level",1189 "x_unit": "count (1, 1.5, 2)",1190 "beta": 0.0533,1191 "se": null,1192 "t": 1.55,1193 "p": null,1194 "p_stars": "",1195 "ci_lo": null,1196 "ci_hi": null,1197 "page": 46,1198 "confidence": "high",1199 "notes": "number of stories"1200 },1201 {1202 "model_id": "T5-m4",1203 "var_name_printed": "VIEW",1204 "taxonomy_id": "view",1205 "x_transform": "level",1206 "x_unit": "index 0-6",1207 "beta": 0.0575,1208 "se": null,1209 "t": 4.715,1210 "p": null,1211 "p_stars": "",1212 "ci_lo": null,1213 "ci_hi": null,1214 "page": 46,1215 "confidence": "high",1216 "notes": "view index, 0 = no view, max 6"1217 },1218 {1219 "model_id": "T5-m4",1220 "var_name_printed": "STRUCAGE",1221 "taxonomy_id": "age",1222 "x_transform": "level",1223 "x_unit": "years",1224 "beta": -0.0036,1225 "se": null,1226 "t": -2.47,1227 "p": null,1228 "p_stars": "",1229 "ci_lo": null,1230 "ci_hi": null,1231 "page": 46,1232 "confidence": "high",1233 "notes": "age of structure; squared term also included"1234 },1235 {1236 "model_id": "T5-m4",1237 "var_name_printed": "STRUCAG2",1238 "taxonomy_id": "age",1239 "x_transform": "squared",1240 "x_unit": "years squared",1241 "beta": 2e-05,1242 "se": null,1243 "t": 1.52,1244 "p": null,1245 "p_stars": "",1246 "ci_lo": null,1247 "ci_hi": null,1248 "page": 46,1249 "confidence": "high",1250 "notes": "square of structure age"1251 },1252 {1253 "model_id": "T5-m4",1254 "var_name_printed": "NEGHAGE",1255 "taxonomy_id": "other",1256 "x_transform": "level",1257 "x_unit": "years",1258 "beta": -0.004,1259 "se": null,1260 "t": -2.83,1261 "p": null,1262 "p_stars": "",1263 "ci_lo": null,1264 "ci_hi": null,1265 "page": 46,1266 "confidence": "high",1267 "notes": "age of the neighborhood in years"1268 },1269 {1270 "model_id": "T5-m4",1271 "var_name_printed": "VANDAL",1272 "taxonomy_id": "crime",1273 "x_transform": "level",1274 "x_unit": "vandalism incidents per resident per year (neighborhood)",1275 "beta": 0.0042,1276 "se": null,1277 "t": 2.465,1278 "p": null,1279 "p_stars": "",1280 "ci_lo": null,1281 "ci_hi": null,1282 "page": 46,1283 "confidence": "high",1284 "notes": "neighborhood vandalism rate"1285 },1286 {1287 "model_id": "T5-m4",1288 "var_name_printed": "BURGLAR",1289 "taxonomy_id": "crime",1290 "x_transform": "level",1291 "x_unit": "burglary incidents per resident per year (neighborhood)",1292 "beta": -0.03,1293 "se": null,1294 "t": -4.036,1295 "p": null,1296 "p_stars": "",1297 "ci_lo": null,1298 "ci_hi": null,1299 "page": 46,1300 "confidence": "high",1301 "notes": "neighborhood burglary rate"1302 },1303 {1304 "model_id": "T5-m4",1305 "var_name_printed": "MDFAMINC",1306 "taxonomy_id": "income",1307 "x_transform": "level",1308 "x_unit": "USD (median family income of neighborhood)",1309 "beta": -1e-06,1310 "se": null,1311 "t": -0.495,1312 "p": null,1313 "p_stars": "",1314 "ci_lo": null,1315 "ci_hi": null,1316 "page": 46,1317 "confidence": "medium",1318 "notes": "neighborhood median family income; coefficient printed with 6-7 decimals in scan"1319 },1320 {1321 "model_id": "T5-m4",1322 "var_name_printed": "NONWHTE",1323 "taxonomy_id": "demographics",1324 "x_transform": "level",1325 "x_unit": "percent",1326 "beta": -0.003,1327 "se": null,1328 "t": -3.007,1329 "p": null,1330 "p_stars": "",1331 "ci_lo": null,1332 "ci_hi": null,1333 "page": 46,1334 "confidence": "high",1335 "notes": "percent of neighborhood population non-white"1336 },1337 {1338 "model_id": "T5-m4",1339 "var_name_printed": "PCTBADEG",1340 "taxonomy_id": "education_level",1341 "x_transform": "level",1342 "x_unit": "percent",1343 "beta": -0.0165,1344 "se": null,1345 "t": 7.229,1346 "p": null,1347 "p_stars": "",1348 "ci_lo": null,1349 "ci_hi": null,1350 "page": 46,1351 "confidence": "medium",1352 "notes": "percent of neighborhood population with a B.A. degree; printed negative coefficient with positive t-score (likely sign typo; Table 6 gives +0.0163)"1353 },1354 {1355 "model_id": "T5-m4",1356 "var_name_printed": "UNKNDUM",1357 "taxonomy_id": "other",1358 "x_transform": "dummy",1359 "x_unit": "binary",1360 "beta": 0.00093,1361 "se": null,1362 "t": -0.042,1363 "p": null,1364 "p_stars": "",1365 "ci_lo": null,1366 "ci_hi": null,1367 "page": 46,1368 "confidence": "medium",1369 "notes": "nearest arterial in medium traffic group; sign of coefficient vs t-score inconsistent as printed"1370 },1371 {1372 "model_id": "T5-m4",1373 "var_name_printed": "NOTRADUM",1374 "taxonomy_id": "other",1375 "x_transform": "dummy",1376 "x_unit": "binary",1377 "beta": -0.0082,1378 "se": null,1379 "t": -0.38,1380 "p": null,1381 "p_stars": "",1382 "ci_lo": null,1383 "ci_hi": null,1384 "page": 46,1385 "confidence": "high",1386 "notes": "nearest arterial in low traffic group"1387 },1388 {1389 "model_id": "T5-m4",1390 "var_name_printed": "WIN85",1391 "taxonomy_id": "highway_distance",1392 "x_transform": "dummy",1393 "x_unit": "binary (within 85 feet of any arterial)",1394 "beta": -0.094,1395 "se": null,1396 "t": -2.39,1397 "p": null,1398 "p_stars": "",1399 "ci_lo": null,1400 "ci_hi": null,1401 "page": 46,1402 "confidence": "high",1403 "notes": "= 1 if house within 85 ft of an arterial (any traffic level)"1404 },1405 {1406 "model_id": "T5-m4",1407 "var_name_printed": "WIN350",1408 "taxonomy_id": "highway_distance",1409 "x_transform": "dummy",1410 "x_unit": "binary (85-350 feet of any arterial)",1411 "beta": -0.066,1412 "se": null,1413 "t": -2.944,1414 "p": null,1415 "p_stars": "",1416 "ci_lo": null,1417 "ci_hi": null,1418 "page": 46,1419 "confidence": "high",1420 "notes": "= 1 if house between 85 and 350 ft of an arterial"1421 },1422 {1423 "model_id": "T5-m4",1424 "var_name_printed": "WIN550",1425 "taxonomy_id": "highway_distance",1426 "x_transform": "dummy",1427 "x_unit": "binary (350-550 feet of any arterial)",1428 "beta": -0.021,1429 "se": null,1430 "t": -0.91,1431 "p": null,1432 "p_stars": "",1433 "ci_lo": null,1434 "ci_hi": null,1435 "page": 46,1436 "confidence": "high",1437 "notes": "= 1 if house between 350 and 550 ft of an arterial"1438 },1439 {1440 "model_id": "T6-c1",1441 "var_name_printed": "BATHRMS",1442 "taxonomy_id": "bathrooms",1443 "x_transform": "level",1444 "x_unit": "count",1445 "beta": 0.0407,1446 "se": null,1447 "t": 1.557,1448 "p": 0.12,1449 "p_stars": "",1450 "ci_lo": null,1451 "ci_hi": null,1452 "page": 47,1453 "confidence": "high",1454 "notes": "number of bathrooms; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1455 },1456 {1457 "model_id": "T6-c1",1458 "var_name_printed": "FIREPLC",1459 "taxonomy_id": "fireplace",1460 "x_transform": "level",1461 "x_unit": "count",1462 "beta": 0.076,1463 "se": null,1464 "t": 5.283,1465 "p": 0.0,1466 "p_stars": "",1467 "ci_lo": null,1468 "ci_hi": null,1469 "page": 47,1470 "confidence": "high",1471 "notes": "number of fireplaces; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1472 },1473 {1474 "model_id": "T6-c1",1475 "var_name_printed": "GARAGE",1476 "taxonomy_id": "garage",1477 "x_transform": "level",1478 "x_unit": "count (cars)",1479 "beta": 0.039,1480 "se": null,1481 "t": 2.733,1482 "p": 0.006,1483 "p_stars": "",1484 "ci_lo": null,1485 "ci_hi": null,1486 "page": 47,1487 "confidence": "high",1488 "notes": "number of cars that fit in garage; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1489 },1490 {1491 "model_id": "T6-c1",1492 "var_name_printed": "SQFTBLD",1493 "taxonomy_id": "living_area",1494 "x_transform": "level",1495 "x_unit": "sqft",1496 "beta": 0.0006,1497 "se": null,1498 "t": 8.346,1499 "p": 0.0,1500 "p_stars": "",1501 "ci_lo": null,1502 "ci_hi": null,1503 "page": 47,1504 "confidence": "high",1505 "notes": "building area; squared term also included; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1506 },1507 {1508 "model_id": "T6-c1",1509 "var_name_printed": "SQFTBD2",1510 "taxonomy_id": "living_area",1511 "x_transform": "squared",1512 "x_unit": "sqft squared",1513 "beta": -1e-07,1514 "se": null,1515 "t": -4.214,1516 "p": 0.0,1517 "p_stars": "",1518 "ci_lo": null,1519 "ci_hi": null,1520 "page": 47,1521 "confidence": "high",1522 "notes": "square of building area; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1523 },1524 {1525 "model_id": "T6-c1",1526 "var_name_printed": "SQFTLOT",1527 "taxonomy_id": "lot_size",1528 "x_transform": "level",1529 "x_unit": "sqft",1530 "beta": 8e-06,1531 "se": null,1532 "t": 1.08,1533 "p": 0.28,1534 "p_stars": "",1535 "ci_lo": null,1536 "ci_hi": null,1537 "page": 47,1538 "confidence": "high",1539 "notes": "lot size; squared term also included; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1540 },1541 {1542 "model_id": "T6-c1",1543 "var_name_printed": "SQFTLOT2",1544 "taxonomy_id": "lot_size",1545 "x_transform": "squared",1546 "x_unit": "sqft squared",1547 "beta": -6e-11,1548 "se": null,1549 "t": -0.232,1550 "p": 0.817,1551 "p_stars": "",1552 "ci_lo": null,1553 "ci_hi": null,1554 "page": 47,1555 "confidence": "high",1556 "notes": "square of lot size; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1557 },1558 {1559 "model_id": "T6-c1",1560 "var_name_printed": "STORIES",1561 "taxonomy_id": "storeys",1562 "x_transform": "level",1563 "x_unit": "count (1, 1.5, 2)",1564 "beta": 0.053,1565 "se": null,1566 "t": 1.547,1567 "p": 0.122,1568 "p_stars": "",1569 "ci_lo": null,1570 "ci_hi": null,1571 "page": 47,1572 "confidence": "high",1573 "notes": "number of stories; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1574 },1575 {1576 "model_id": "T6-c1",1577 "var_name_printed": "VIEW",1578 "taxonomy_id": "view",1579 "x_transform": "level",1580 "x_unit": "index 0-6",1581 "beta": 0.058,1582 "se": null,1583 "t": 4.781,1584 "p": 0.0,1585 "p_stars": "",1586 "ci_lo": null,1587 "ci_hi": null,1588 "page": 47,1589 "confidence": "high",1590 "notes": "view index, 0 = no view, max 6; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1591 },1592 {1593 "model_id": "T6-c1",1594 "var_name_printed": "STRUCAGE",1595 "taxonomy_id": "age",1596 "x_transform": "level",1597 "x_unit": "years",1598 "beta": -0.0036,1599 "se": null,1600 "t": -2.466,1601 "p": 0.014,1602 "p_stars": "",1603 "ci_lo": null,1604 "ci_hi": null,1605 "page": 47,1606 "confidence": "high",1607 "notes": "age of structure; squared term also included; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1608 },1609 {1610 "model_id": "T6-c1",1611 "var_name_printed": "STRUCAG2",1612 "taxonomy_id": "age",1613 "x_transform": "squared",1614 "x_unit": "years squared",1615 "beta": 2e-05,1616 "se": null,1617 "t": 1.48,1618 "p": 0.139,1619 "p_stars": "",1620 "ci_lo": null,1621 "ci_hi": null,1622 "page": 47,1623 "confidence": "high",1624 "notes": "square of structure age; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1625 },1626 {1627 "model_id": "T6-c1",1628 "var_name_printed": "NEGHAGE",1629 "taxonomy_id": "other",1630 "x_transform": "level",1631 "x_unit": "years",1632 "beta": -0.0042,1633 "se": null,1634 "t": -3.001,1635 "p": 0.003,1636 "p_stars": "",1637 "ci_lo": null,1638 "ci_hi": null,1639 "page": 47,1640 "confidence": "high",1641 "notes": "age of the neighborhood in years; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1642 },1643 {1644 "model_id": "T6-c1",1645 "var_name_printed": "VANDAL",1646 "taxonomy_id": "crime",1647 "x_transform": "level",1648 "x_unit": "vandalism incidents per resident per year (neighborhood)",1649 "beta": 0.0044,1650 "se": null,1651 "t": 2.58,1652 "p": 0.01,1653 "p_stars": "",1654 "ci_lo": null,1655 "ci_hi": null,1656 "page": 47,1657 "confidence": "high",1658 "notes": "neighborhood vandalism rate; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1659 },1660 {1661 "model_id": "T6-c1",1662 "var_name_printed": "BURGLAR",1663 "taxonomy_id": "crime",1664 "x_transform": "level",1665 "x_unit": "burglary incidents per resident per year (neighborhood)",1666 "beta": -0.0326,1667 "se": null,1668 "t": -4.56,1669 "p": 0.0,1670 "p_stars": "",1671 "ci_lo": null,1672 "ci_hi": null,1673 "page": 47,1674 "confidence": "high",1675 "notes": "neighborhood burglary rate; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1676 },1677 {1678 "model_id": "T6-c1",1679 "var_name_printed": "MDFAMINC",1680 "taxonomy_id": "income",1681 "x_transform": "level",1682 "x_unit": "USD (median family income of neighborhood)",1683 "beta": -1e-06,1684 "se": null,1685 "t": -0.5,1686 "p": 0.618,1687 "p_stars": "",1688 "ci_lo": null,1689 "ci_hi": null,1690 "page": 47,1691 "confidence": "high",1692 "notes": "neighborhood median family income; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1693 },1694 {1695 "model_id": "T6-c1",1696 "var_name_printed": "NONWHTE",1697 "taxonomy_id": "demographics",1698 "x_transform": "level",1699 "x_unit": "percent",1700 "beta": -0.00282,1701 "se": null,1702 "t": -2.868,1703 "p": 0.004,1704 "p_stars": "",1705 "ci_lo": null,1706 "ci_hi": null,1707 "page": 47,1708 "confidence": "high",1709 "notes": "percent of neighborhood population non-white; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1710 },1711 {1712 "model_id": "T6-c1",1713 "var_name_printed": "PCTBADEG",1714 "taxonomy_id": "education_level",1715 "x_transform": "level",1716 "x_unit": "percent",1717 "beta": 0.0163,1718 "se": null,1719 "t": 7.151,1720 "p": 0.0,1721 "p_stars": "",1722 "ci_lo": null,1723 "ci_hi": null,1724 "page": 47,1725 "confidence": "high",1726 "notes": "percent of neighborhood population with a B.A. degree; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1727 },1728 {1729 "model_id": "T6-c1",1730 "var_name_printed": "HIGH85",1731 "taxonomy_id": "highway_distance",1732 "x_transform": "dummy",1733 "x_unit": "binary (within 85 feet of high-traffic arterial)",1734 "beta": -0.1022,1735 "se": null,1736 "t": -2.331,1737 "p": 0.02,1738 "p_stars": "",1739 "ci_lo": null,1740 "ci_hi": null,1741 "page": 47,1742 "confidence": "high",1743 "notes": "= 1 if house within 85 ft of a high-traffic arterial; reference: not near high-traffic arterial; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1744 },1745 {1746 "model_id": "T6-c1",1747 "var_name_printed": "HIGH350",1748 "taxonomy_id": "highway_distance",1749 "x_transform": "dummy",1750 "x_unit": "binary (85-350 feet of high-traffic arterial)",1751 "beta": -0.0463,1752 "se": null,1753 "t": -2.237,1754 "p": 0.025,1755 "p_stars": "",1756 "ci_lo": null,1757 "ci_hi": null,1758 "page": 47,1759 "confidence": "high",1760 "notes": "= 1 if house between 85 and 350 ft of a high-traffic arterial; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1761 },1762 {1763 "model_id": "T6-c1",1764 "var_name_printed": "HIGH550",1765 "taxonomy_id": "highway_distance",1766 "x_transform": "dummy",1767 "x_unit": "binary (350-550 feet of high-traffic arterial)",1768 "beta": 0.00558,1769 "se": null,1770 "t": 0.26,1771 "p": 0.794,1772 "p_stars": "",1773 "ci_lo": null,1774 "ci_hi": null,1775 "page": 47,1776 "confidence": "high",1777 "notes": "= 1 if house between 350 and 550 ft of a high-traffic arterial; coefficients printed in scientific notation (e.g. 4.07E-02); p printed as 0 when <0.0005"1778 }1779 ]1780}