House Price Prediction Analysis Using a Comparison of Machine Learning Algorithms in the Jabodetabek Area

Indah Ratna Ningsih; Ahmad Faqih; Ade Rizki Rinaldi

doi:10.59934/jaiea.v4i2.733

Authors

Indah Ratna Ningsih STMIK IKMI Cirebon
Ahmad Faqih STMIK IKMI Cirebon
Ade Rizki Rinaldi STMIK IKMI Cirebon

DOI:

https://doi.org/10.59934/jaiea.v4i2.733

Keywords:

House Price, Multiple Linear Regression, Random Forest Regression, Machine Learning, Prediction

Abstract

Jabodetabek, as the largest metropolitan area in Indonesia, has complex property price dynamics, making it difficult for developers and buyers to determine house prices. This study aims to analyze and compare the performance of the Multiple Linear Regression and Random Forest Regression algorithms in predicting house prices in the region. The data was obtained through scraping techniques from the rumah123.com website in October 2024, covering 999 data points with variables such as price, location, building area, land area, number of bedrooms, bathrooms, and garages. A comparative approach with cross-validation was applied to evaluate the performance of both algorithms using the metrics MAE, MSE, RMSE, MAPE, and R². The research results show that Random Forest Regression using GridsearchCV has better predictive performance, with an MAE value of Rp.645,764,815, MAPE of 28.12%, and R² of 0.864. The main factors influencing house prices in Jabodetabek include building size, land size, number of bedrooms, bathrooms, garages, and location. This finding emphasizes the superiority of Random Forest Regression in capturing complex data patterns and the significant role of these variables in determining house prices.

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