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Makine Öğrenimi İle Mülk Değerlemesinde Aykırı Değer Tespit Yöntemlerinin Etkisi

Year 2023, , 9 - 20, 18.07.2023
https://doi.org/10.47899/ijss.1270433

Abstract

Konut alanlar ve satanlar kadar bir yatırım aracı olarak konut üzerinden yatırımda bulunanalar için de konut fiyatının gerçekçi ve en yüksek doğrulukta tahmin edilmesi gerekmektedir. Tahmin modelinin, piyasanın altında yatan temellerin en uygun temsili olması gerektiği unutulmamalıdır. Aksi takdirde konut değerlemesinde yapılacak hata emlak vergisinin tutarsız ve sağlıksız artırılması veya azaltılması, bazı gruplar lehine aşırı kazanç veya kayıp ve yatırımcılar ile potansiyel konut sahiplerini olumsuz etkilemesi gibi bazı istenmeyen sonuçlara neden olacaktır. Tam bu noktada günümüzde veri odaklı konut değerleme yaklaşımları yüksek doğrulukta ve önyargısız tahminler oluşturmada daha sık tercih edilmektedir. Fakat makine öğrenmesi yaklaşımları ile gerçekleştirilen modellerin tutarlılığı, kesinliği ve doğruluğu veri kalitesi ile doğrudan bağlantılıdır. Bu noktada bu çalışmada elde edilen geniş bir veri seti ile konut değerlemede özellikle aykırı değer tespitinin tahmin performansı üzerine etkileri araştırılmaktadır. Bu amaçla 70.771 konut verisi ve 283 adet değişkene sahip hetorejen bir veri seti ile 4 farklı aykırı değer tespiti yöntemi 3 farklı makine öğrenmesi yaklaşımı ile test edilmiştir. Elde edilen ampirik bul gular farklı aykırı değer tespiti yaklaşımlarının kullanılmasının tahmin performansını farklı aralıklarda artığını ortaya koymaktadır. En iyi aykırı değer tespiti yaklaşımı ile ortalama model performansında % 6,97’lik bir artışla birlikte Rastgele Orman için bu performans artışı % 21,6’lık yüksek bir oranda gerçekleşmiştir.

Thanks

Bu makalede bilimsel araştırma ve yayın etiği ilkelerine uyulmuştur. Bu makale Cihan Çılgın tarafından Gazi Üniversitesi Bilişim Enstitüsü Yönetim Bilişim Sistemleri Anabilim Dalı'nda gerçekleştirilen doktora tezinden üretilmiştir.

References

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The Effect of Outlier Detection Methods in Real Estate Valuation with Machine Learning

Year 2023, , 9 - 20, 18.07.2023
https://doi.org/10.47899/ijss.1270433

Abstract

For those who invest in real estate as an investment tool, as well as those who buy and sell real estate, the price of real estate should be predicted realistically and with the highest accuracy. It should be noted that the predict model should be the most appropriate representation of the underlying fundamentals of the market. Otherwise, the mistake to be made in the real estate valuation will cause some undesirable results such as inconsistent and unhealthy increase or decrease of the property tax, excessive gains or losses in favor of some groups, and adverse effects on investors and potential real estate owners. At this point, data-driven real estate valuation approaches are preferred more frequently to create highly accurate and unbiased estimates. However, the consistency, precision and accuracy of the models realized with machine learning approaches are directly related to the data quality. At this point, the effects of outlier detection on prediction performance in real estate valuation are investigated with a large data set obtained in this study. For this purpose, a heterogeneous data set with 70.771 real estate data and 283 variables, 4 different outlier detection methods were tested with 3 different machine learning approaches. The empirical findings reveal that the use of different outlier detection approaches increases the prediction performance in different ranges. With the best outlier detection approach, this performance increase was at a high 21,6% for Random Forest, with a 6,97% increase in average model performance.

References

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  • Alexandridis, A. K., Karlis, D., Papastamos, D., & Andritsos, D. (2019). Real Estate valuation and forecasting in non-homogeneous markets: A case study in Greece during the financial crisis. Journal of the Operational Research Society, 70(10), 1769-1783.
  • Alfaro-Navarro, J. L., Cano, E. L., Alfaro-Cortés, E., García, N., Gámez, M. and Larraz, B. (2020). A fully automated adjustment of ensemble methods in machine learning for modeling complex real estate systems. Complexity, 2020.
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  • Barnett, V., & Lewis, T. (1984). Outliers in statistical data. Wiley Series in Probability and Mathematical Statistics. Applied Probability and Statistics.
  • Bergadano, F., Bertilone, R., Paolotti, D., & Ruffo, G. (2021). Developing real estate automated valuation models by learning from heterogeneous data sources. International Journal of Real Estate Studies, 15(1), 72-85.
  • Bilgilioğlu, S. S., & Yılmaz, H. M. (2021). Comparison of different machine learning models for mass appraisal of real estate. Survey Review, 1-12.
  • Bin, J., Tang, S., Liu, Y., Wang, G., Gardiner, B., Liu, Z., & Li, E. (2017, September). Regression model for appraisal of real estate using recurrent neural network and boosting tree. In 2017 2nd IEEE international conference on computational intelligence and applications (ICCIA) (pp. 209-213). IEEE.
  • Bin, O. (2004). A prediction comparison of housing sales prices by parametric versus semi-parametric regressions. Journal of Housing Economics, 13(1), 68-84.
  • Breiman, L. (2001). Random forests. Machine learning, 45(1), 5-32.
  • Büyük, G., & Ünel, F. B. (2021). Comparison of modern methods using the python programming language in mass housing valuation. Advanced Land Management, 1(1), 21-26.
  • Chou, S. M., Lee, T. S., Shao, Y. E., & Chen, I. F. (2004). Mining the breast cancer pattern using artificial neural networks and multivariate adaptive regression splines. Expert systems with applications, 27(1), 133-142.
  • Cover, T., & Hart, P. (1967). Nearest neighbor pattern classification. IEEE transactions on information theory, 13(1), 21-27.
  • Daşkıran, F. (2015). Denizli kentinde konut talebine etki eden faktörlerin hedonik fiyatlandırma modeli ile tahmin edilmesi. Journal Of International Social Research, 8(37).
  • Fu, T. (2018, June). Forecasting second-hand housing price using artificial intelligence and machine learning techniques. In 2018 8th International Conference on Mechatronics, Computer and Education Informationization (MCEI 2018) (pp. 269-273). Atlantis Press.
  • Galli, S. (2020). Python feature engineering cookbook: over 70 recipes for creating, engineering, and transforming features to build machine learning models. Packt Publishing Ltd, 42-25.
  • Gao, G., Bao, Z., Cao, J., Qin, A. K., & Sellis, T. (2022). Location-centered house price prediction: A multi-task learning approach. ACM Transactions on Intelligent Systems and Technology (TIST), 13(2), 1-25.
  • García-Magariño, I., Medrano, C., & Delgado, J. (2020). Estimation of missing prices in real-estate market agent-based simulations with machine learning and dimensionality reduction methods. Neural Computing and Applications, 32(7), 2665-2682.
  • Gilbertson, B., & Preston, D. (2005). A vision for valuation. Journal of Property Investment and Finance, 23(2), 123-140.
  • Gupta, R., Marfatia, H. A., Pierdzioch, C., & Salisu, A. A. (2021). Machine Learning predictions of housing market synchronization across us states: the role of uncertainty. The Journal of Real Estate Finance and Economics, 1-23.
  • Hårsman, B., & Quigley, J. M. (Eds.). (1991). Housing markets and housing institutions: an international comparison. Massachusetts: Kluwer Academic Publishers, 2-3.
  • Ho, W. K., Tang, B. S., & Wong, S. W. (2021). Predicting property prices with machine learning algorithms. Journal of Property Research, 38(1), 48-70.
  • Hodge, V., & Austin, J. (2004). A survey of outlier detection methodologies. Artificial intelligence review, 22(2), 85-126.
  • Iglewicz, B., & Hoaglin, D. C. (1993). How to detect and handle outliers (Vol. 16). Asq Press.
  • Imran, I., Zaman, U., Waqar, M., & Zaman, A. (2021). Using machine learning algorithms for housing price prediction: the case of Islamabad housing data. Soft Computing and Machine Intelligence, 1(1), 11-23.
  • İlhan, A. T., & Semih, Ö. Z. (2020). Yapay sinir ağlarının gayrimenkullerin toplu değerlemesinde uygulanabilirliği: Gölbaşı ilçesi örneği. Hacettepe Üniversitesi Sosyal Bilimler Dergisi, 2(2), 160-188.
  • Jha, S. B., Babiceanu, R. F., Pandey, V., & Jha, R. K. (2020). Housing market prediction problem using different machine learning algorithms: A case study. arXiv preprint arXiv:2006.10092.
  • Jui, J. J., Molla, M. I., Bari, B. S., Rashid, M., & Hasan, M. J. (2020). flat price prediction using linear and random forest regression based on machine learning techniques. In Embracing Industry 4.0 (pp. 205-217). Springer, Singapore.
  • Kalliola, J., Kapočiūtė-Dzikienė, J., & Damaševičius, R. (2021). Neural network hyperparameter optimization for prediction of real estate prices in Helsinki. PeerJ Computer Science, 7, e444.
  • Kim, J., Won, J., Kim, H., & Heo, J. (2021). Machine-Learning-Based prediction of land prices in Seoul, South Korea. Sustainability, 13(23), 13088.
  • Kouwenberg, R., & Zwinkels, R. (2014). Forecasting the US housing market. International Journal of Forecasting, 30(3), 415-425.
  • Küçükkaplan, İ,, & Aldı, F. A. (2017). Denizli ilinde konut fiyatlarına etki eden faktörlerin panel verilerle analizi. Balıkesir Üniversitesi Sosyal Bilimler Enstitüsü Dergisi, 20(37), 219-236.
  • Liu, F. T., Ting, K. M., & Zhou, Z. H. (2008, December). Isolation forest. In 2008 eighth ieee international conference on data mining (pp. 413-422). IEEE.
  • Manasa, J., Gupta, R., & Narahari, N. S. (2020, March). Machine learning based predicting house prices using regression techniques. In 2020 2nd International conference on innovative mechanisms for industry applications (ICIMIA) (pp. 624-630). IEEE.
  • Mankad, M. D. (2021). Comparing OLS based hedonic model and ANN in house price estimation using relative location. Spatial Information Research, 1-10.
  • Manrique, M. A. C., Otero Gomez, D., Sierra, O. B., Laniado, H., Mateus C, R., & Millan, D. A. R. (2020). Housing-Price Prediction in Colombia using Machine Learning. OSF Preprints, (w85z2).
  • McGreal, S., Adair, A., McBurney, D., & Patterson, D. (1998). Neural networks: the prediction of residential values. Journal of Property Valuation and Investment, 16(1), 57-70.
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There are 76 citations in total.

Details

Primary Language English
Subjects Regional Studies
Journal Section Original Research Articles
Authors

Cihan Çılgın 0000-0002-8983-118X

Yılmaz Gökşen 0000-0002-2291-2946

Hadi Gökçen 0000-0002-5163-0008

Early Pub Date April 27, 2023
Publication Date July 18, 2023
Published in Issue Year 2023

Cite

APA Çılgın, C., Gökşen, Y., & Gökçen, H. (2023). The Effect of Outlier Detection Methods in Real Estate Valuation with Machine Learning. İzmir Sosyal Bilimler Dergisi, 5(1), 9-20. https://doi.org/10.47899/ijss.1270433
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