{
 "record_id": "4c31e259cf5625db8bd0cbbcae78c68fed2c8164",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "Text-augmented house valuation: using embedding vectors and SHAP values",
  "year": 2026,
  "doi": "10.36253/aestim-19824",
  "country": "South Korea",
  "region_city": "Seongdong-gu (Seoul) and Gangjin-gun (Jeonnam Province)",
  "sample_start": 2024,
  "sample_end": 2024,
  "property_type": "single_family",
  "price_type": "appraisal",
  "data_source": "MOLIT benchmark (standard) house survey 2024: appraised prices and characteristics of 1,670 benchmark houses (763 Seongdong-gu, 907 Gangjin-gun), incl. textual environmental descriptions",
  "document_type": "journal",
  "estimators": [
   "OLS"
  ],
  "spatial_method": "none",
  "time_fe": false,
  "location_fe": false,
  "se_type": "unknown",
  "n_obs_total": 1670,
  "ai_methods": [
   "sentence embeddings (paraphrase-mpnet-base-v2, SBERT)",
   "PCA of embeddings",
   "XGBoost",
   "SHAP"
  ],
  "notes": "Aestimum just-accepted manuscript. Dependent variable: log appraised price (million KRW). Table A1 (appendix, p.14) gives full OLS coefficients for 4 models (2 regions x with/without text embeddings); only significance at 5% marked by '*', '+' marks non-significant, no SEs. Benchmark houses are mostly detached/attached single houses (not apartments). XGB with SHAP used for interpretation (no coefficients)."
 },
 "models": [
  {
   "model_id": "TA1-c1",
   "table": "A1",
   "column": "1",
   "page": 14,
   "dep_var": "log-transformed appraised benchmark house price (million KRW)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 763,
   "r2": 0.508,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "Seongdong-gu (Seoul, urban); n=763 benchmark houses in region (80/20 train/test split; estimation sample not stated); baseline OLS without text embeddings; adjusted R2; '*' = significant at 5%, '+' = not significant; no SE/t printed; n_obs recorded is the regional sample size, model may be fit on 80% training subset"
  },
  {
   "model_id": "TA1-c2",
   "table": "A1",
   "column": "2",
   "page": 14,
   "dep_var": "log-transformed appraised benchmark house price (million KRW)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 763,
   "r2": 0.558,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "Seongdong-gu (Seoul, urban); n=763 in region; OLS with two PCA components of sentence embeddings (paraphrase-mpnet-base-v2) of environmental descriptions; adjusted R2; '*' = significant at 5%, '+' = not significant; no SE/t printed; n_obs recorded is the regional sample size, model may be fit on 80% training subset"
  },
  {
   "model_id": "TA1-c3",
   "table": "A1",
   "column": "3",
   "page": 14,
   "dep_var": "log-transformed appraised benchmark house price (million KRW)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 907,
   "r2": 0.633,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "Gangjin-gun (Jeonnam, rural); n=907 in region; baseline OLS without text embeddings; adjusted R2; '*' = significant at 5%, '+' = not significant; no SE/t printed; n_obs recorded is the regional sample size, model may be fit on 80% training subset"
  },
  {
   "model_id": "TA1-c4",
   "table": "A1",
   "column": "4",
   "page": 14,
   "dep_var": "log-transformed appraised benchmark house price (million KRW)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 907,
   "r2": 0.751,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "Gangjin-gun (Jeonnam, rural); n=907 in region; OLS with two embedding components; adjusted R2; '*' = significant at 5%, '+' = not significant; no SE/t printed; n_obs recorded is the regional sample size, model may be fit on 80% training subset"
  }
 ],
 "coefficients": [
  {
   "model_id": "TA1-c3",
   "var_name_printed": "House type: rowhouse",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.381,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy (base category not stated); '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "House type: rowhouse",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.455,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy (base category not stated); '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "House type: attached",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.082,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "House type: attached",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.01,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "House type: detached",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.01,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "House type: detached",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.018,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "House type: detached",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.306,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "House type: detached",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.264,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "House type: mixed type",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.468,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy (mixed residential/commercial use); * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "House type: mixed type",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.553,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy (mixed residential/commercial use); * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "House type: mixed type",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.414,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy (mixed residential/commercial use); '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "House type: mixed type",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.623,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy (mixed residential/commercial use); * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "House type: other",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.706,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "House type: other",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.611,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "House type: other",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.06,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "House type: other",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.208,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "House type dummy; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "Site area",
   "taxonomy_id": "lot_size",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 0.009,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Site (lot) area in m2; Gangjin-gun coefficient rounds to 0.000; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "Site area",
   "taxonomy_id": "lot_size",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 0.009,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Site (lot) area in m2; Gangjin-gun coefficient rounds to 0.000; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Site area",
   "taxonomy_id": "lot_size",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 0.0,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Site (lot) area in m2; Gangjin-gun coefficient rounds to 0.000; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Site area",
   "taxonomy_id": "lot_size",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 0.0,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Site (lot) area in m2; Gangjin-gun coefficient rounds to 0.000; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "Floor area",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": -0.001,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Total floor area in m2; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "Floor area",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": -0.002,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Total floor area in m2; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Floor area",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 0.001,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Total floor area in m2; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Floor area",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 0.001,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Total floor area in m2; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "Story",
   "taxonomy_id": "storeys",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.084,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Number of floors; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "Story",
   "taxonomy_id": "storeys",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.087,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Number of floors; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Story",
   "taxonomy_id": "storeys",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.319,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Number of floors; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Story",
   "taxonomy_id": "storeys",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.118,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Number of floors; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "Road: middle",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.204,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category (base: main road); * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "Road: middle",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.204,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category (base: main road); * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Road: middle",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.334,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category (base: main road); '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Road: middle",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.44,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category (base: main road); '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "Road: narrow",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.184,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "Road: narrow",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.226,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Road: narrow",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.295,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Road: narrow",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.022,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "Road: narrower",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.288,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "Road: narrower",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.314,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Road: narrower",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.696,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Road: narrower",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.206,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "Road: narrowest",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.12,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "Road: narrowest",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.177,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Road: narrowest",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.654,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Road: narrowest",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.195,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Adjacent road width category; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "Site shape: regular",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.144,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Regular (vs irregular) site shape; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "Site shape: regular",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.136,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Regular (vs irregular) site shape; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Site shape: regular",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.204,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Regular (vs irregular) site shape; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Site shape: regular",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.108,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Regular (vs irregular) site shape; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "Building frame: brick",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.246,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Building frame material dummy (base category not stated); * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "Building frame: brick",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.284,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Building frame material dummy (base category not stated); * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Building frame: brick",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.792,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Building frame material dummy (base category not stated); * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Building frame: brick",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.734,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Building frame material dummy (base category not stated); * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "Building frame: RC",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.375,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Reinforced concrete frame; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "Building frame: RC",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.438,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Reinforced concrete frame; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Building frame: RC",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 1.475,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Reinforced concrete frame; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Building frame: RC",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 1.385,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Reinforced concrete frame; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "Building frame: low quality wood",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.197,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Building frame material dummy; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "Building frame: low quality wood",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.239,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Building frame material dummy; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Building frame: low quality wood",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.153,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Building frame material dummy; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Building frame: low quality wood",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.237,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Building frame material dummy; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Building frame: high quality wood",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 1.73,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Building frame material dummy; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Building frame: high quality wood",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 1.786,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Building frame material dummy; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Building frame: panel",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.74,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Building frame material dummy; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Building frame: panel",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.862,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Building frame material dummy; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Building frame: steel",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 1.142,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Building frame material dummy; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Building frame: steel",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 1.304,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Building frame material dummy; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "Property age",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.005,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Years since construction; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "Property age",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.005,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Years since construction; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "Property age",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.01,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Years since construction; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Property age",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.011,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Years since construction; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c1",
   "var_name_printed": "House bearing: south",
   "taxonomy_id": "sunlight",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.063,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "1 = house faces south; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "House bearing: south",
   "taxonomy_id": "sunlight",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.038,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "1 = house faces south; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c3",
   "var_name_printed": "House bearing: south",
   "taxonomy_id": "sunlight",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.021,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "1 = house faces south; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "House bearing: south",
   "taxonomy_id": "sunlight",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.051,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "1 = house faces south; '+' = not significant at 5%; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "Embedding component 1",
   "taxonomy_id": "multimodal_embedding",
   "x_transform": "level",
   "x_unit": "index",
   "beta": -0.265,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "First PCA component (22% variance) of 768-dim sentence embedding (paraphrase-mpnet-base-v2) of the house's environmental description; text-derived (AI) variable; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Embedding component 1",
   "taxonomy_id": "multimodal_embedding",
   "x_transform": "level",
   "x_unit": "index",
   "beta": -0.393,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "First PCA component (22% variance) of 768-dim sentence embedding (paraphrase-mpnet-base-v2) of the house's environmental description; text-derived (AI) variable; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c2",
   "var_name_printed": "Embedding component 2",
   "taxonomy_id": "multimodal_embedding",
   "x_transform": "level",
   "x_unit": "index",
   "beta": 0.592,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Second PCA component (15% variance) of sentence embedding of environmental description; text-derived (AI) variable; * significant at 5% level; no SE reported"
  },
  {
   "model_id": "TA1-c4",
   "var_name_printed": "Embedding component 2",
   "taxonomy_id": "multimodal_embedding",
   "x_transform": "level",
   "x_unit": "index",
   "beta": -0.09,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Second PCA component (15% variance) of sentence embedding of environmental description; text-derived (AI) variable; * significant at 5% level; no SE reported"
  }
 ]
}