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Spatial Hedonic Modeling using Geographically Weighted LASSO Model
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GWL을 적용한 공간 헤도닉 모델링

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Type
Academic journal
Author
Chanwoo Jin (서울대학교) Gunhak Lee (서울대학교)
Journal
The Korean Geographlcal Society Journal of the Korean Geographical Society Vol.49 No.6 KCI Excellent Accredited Journal
Published
2014.12
Pages
917 - 934 (18page)

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Spatial Hedonic Modeling using Geographically Weighted LASSO Model
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Geographically weighted regression(GWR) model has been widely used to estimate spatially heterogeneous real estate prices. The GWR model, however, has some limitations of the selection of different price determinants over space and the restricted number of observations for local estimation. Alternatively, the geographically weighted LASSO(GWL) model has been recently introduced and received a growing interest. In this paper, we attempt to explore various local price determinants for the real estate by utilizing the GWL and its applicability to forecasting the real estate price. To do this, we developed the three hedonic models of OLS, GWR, and GWL focusing on the sales price of apartments in Seoul and compared those models in terms of model fit, prediction, and multicollinearity. As a result, local models appeared to be better than the global OLS on the whole, and in particular, the GWL appeared to be more explanatory and predictable than other models. Moreover, the GWL enabled to provide spatially different sets of price determinants which no multicollinearity exists. The GWL helps select the significant sets of independent variables from a high dimensional dataset, and hence will be a useful technique for large and complex spatial big data.
#공간 헤도닉 모델 #공간적 이질성 #LASSO #지리가중회귀 모델 #지리가중라소 모델 #아파트 가격 #spatial hedonic model #spatial heterogeneity #least absolute shrinkage and selection operator(LASSO) #geographically weighted regression(GWR) #geographically weighted LASSO(GWL) #apartment sales price

Contents

요약
Abstract
1. 서론
2. 방법론 리뷰
3. 사례 연구
4. 연구 결과
5. 결론
참고문헌

References (40)

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1. [학술지(정기간행물)] - 강창덕 / 2010 / GWR 접근법을 활용한 부동산 감정평가 모형 연구: 서울시 아파트를 사례로 / 부동산연구 20 (2) : 107 ~ 132 dbpia 2. [학술지(정기간행물)] - 김경민 / 2010 / 초·중·고등학교 수요가 서울시 구별 아파트 가격에 미치는 영향: 거주이주시기를 중심으로 / 국토연구 65 : 99 ~ 113 dbpia 3. [학술지(정기간행물)] - 김성우 / 2010 / 부산 아파트 실거래가를 이용한 전통적 헤도닉모형과 공간계량모형간의 적합도에 관한 비교 연구 / 부동산학연구 16 (3) : 41 ~ 55 dbpia 4. [학술지(정기간행물)] - 김소연 / 2013 / 주거지 인문환경의 공간 속성을 고려한 주택 가격 결정 모형: 서울시 아파트를 대상으로 / 한국지도학회지 13 (3) : 41 ~ 56 dbpia 5. [학술지(정기간행물)] - 김연미 / 2008 / 서울시 아파트가격 불균등에 관한 공간통계적 분석 / 지리학논총 52 : 17 ~ 47 google schola

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