1{2 "record_id": "8a99113b012c7dc5288863734eba9456a85fd906",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Investigating the impact of property characteristics, cost of living, and environmental factors on rental prices in Baidoa's climate-affected real estate market: a hybrid approach using hedonic regression and neural networks",7 "year": 2025,8 "doi": "10.3389/frsc.2025.1511761",9 "country": "Somalia",10 "region_city": "Baidoa",11 "sample_start": 0,12 "sample_end": 0,13 "property_type": "rental",14 "price_type": "rent",15 "data_source": "Survey of residential properties (local real estate agencies, government records, direct surveys), stratified random sample; text says 90 properties but ANN split (70+30+18) implies 118",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": 90,25 "ai_methods": [26 "ANN"27 ],28 "notes": "Low-quality source: survey year not stated; Table 2 prints Coefficient and t-statistic with stars (**p<0.05; ***p<0.01), no SE. Model specification (p.6): LN(MRP) = b0 + b1 LN(RPP) + b2 NBR + b3 LN(RPS) + ENV + ESS + COL + POS + DIS + interactions, so dependent = log monthly rent and size enters in logs; but constant 143.58 and MSE 1507 suggest the fitted model may be in rent levels — dep_transform ambiguous. Text narrative (p.8) quotes different numbers from Table 2 for size (b=0.07,t=2.26), political stability (-0.08,-2.48), displacement (0.07,2.18), interaction1 (0.21,3.52); Table 2 values used. Non-characteristic regressors not extracted: Residential property price (RPP) 0.02 (t 0.61), Cost of living -0.26 (-4.85***), Political stability -0.02 (-0.66), Displacement 0.05 (1.26), Interaction1 rent x cost of living 0.25 (4.49***), Interaction2 rent x essential services 0.67 (12.24***). Measurement scales of ENV/AEL/DPS not described (likely survey indices)."29 },30 "models": [31 {32 "model_id": "T2-c1",33 "table": "2",34 "column": "1",35 "page": 7,36 "dep_var": "Residential property monthly rentals (RPMR); specification says LN(MRP)",37 "dep_transform": "log",38 "estimator": "OLS",39 "n_obs": 90,40 "r2": 0.96,41 "se_or_t_in_parentheses": "t",42 "sample_subset": "Full sample; N not printed in table (90 per data section); t-statistics in separate column with stars; adj R2 0.92"43 }44 ],45 "coefficients": [46 {47 "model_id": "T2-c1",48 "var_name_printed": "Number of bedrooms (NBR)",49 "taxonomy_id": "bedrooms",50 "x_transform": "level",51 "x_unit": "count",52 "beta": 0.09,53 "se": null,54 "t": 2.72,55 "p": null,56 "p_stars": "***",57 "ci_lo": null,58 "ci_hi": null,59 "page": 7,60 "confidence": "medium",61 "notes": "count of bedrooms"62 },63 {64 "model_id": "T2-c1",65 "var_name_printed": "Dedicated parking space (DPS)",66 "taxonomy_id": "parking",67 "x_transform": "binary",68 "x_unit": "binary",69 "beta": -0.01,70 "se": null,71 "t": -0.36,72 "p": null,73 "p_stars": "",74 "ci_lo": null,75 "ci_hi": null,76 "page": 7,77 "confidence": "medium",78 "notes": "presumed dummy for dedicated parking space (scale not described)"79 },80 {81 "model_id": "T2-c1",82 "var_name_printed": "Residential property size (RPS)",83 "taxonomy_id": "living_area",84 "x_transform": "log",85 "x_unit": "unknown",86 "beta": 0.01,87 "se": null,88 "t": 0.26,89 "p": null,90 "p_stars": "",91 "ci_lo": null,92 "ci_hi": null,93 "page": 7,94 "confidence": "medium",95 "notes": "specification enters LN(RPS); area unit not stated; text quotes b=0.07, t=2.26 instead (inconsistent)"96 },97 {98 "model_id": "T2-c1",99 "var_name_printed": "Access to electricity (AEL)",100 "taxonomy_id": "public_services",101 "x_transform": "other",102 "x_unit": "index",103 "beta": -0.18,104 "se": null,105 "t": -5.96,106 "p": null,107 "p_stars": "***",108 "ci_lo": null,109 "ci_hi": null,110 "page": 7,111 "confidence": "medium",112 "notes": "access to electricity (essential services); scale not described; sign negative"113 },114 {115 "model_id": "T2-c1",116 "var_name_printed": "Environmental factors",117 "taxonomy_id": "other",118 "x_transform": "other",119 "x_unit": "index",120 "beta": -0.12,121 "se": null,122 "t": -3.71,123 "p": null,124 "p_stars": "***",125 "ci_lo": null,126 "ci_hi": null,127 "page": 7,128 "confidence": "medium",129 "notes": "composite environmental factors (climate change exposure, sustainable practices); survey index"130 }131 ]132}