Clustering of construction business surveys: case of Türkiye


Aydınlı S.

4th INTERNATIONAL CIVIL ENGINEERING & ARCHITECTURE CONFERENCE, Trabzon, Türkiye, 17 - 19 Mayıs 2025, ss.1587-1592, (Tam Metin Bildiri)

  • Yayın Türü: Bildiri / Tam Metin Bildiri
  • Basıldığı Şehir: Trabzon
  • Basıldığı Ülke: Türkiye
  • Sayfa Sayıları: ss.1587-1592
  • Çukurova Üniversitesi Adresli: Evet

Özet

The construction industry is a crucial locomotive industry for national economies. Business surveys in the construction industry are essential instruments for evaluating sectoral health and trends. They provide timely and organized data that serves many stakeholders, including policymakers, enterprises, analysts, and contractors. Since May 2011, TurkStat has begun the publication of construction business surveys to facilitate stakeholders to track sector trends. Some of the key indicators reflecting sectoral health and trends include construction confidence indicator, employment expectations, building activity development, and price expectations. This study aims to reveal the relationships and correlations between construction business surveys. To this end, construction business surveys published by Eurostat are obtained, and the data are clustered utilizing the Dynamic Time Warping (DTW) approach, a commonly used technique for clustering time series data. The clusters that were identified as a result of the analysis were interpreted and their contributions to sectoral trends were analyzed. The study enables the simplification of sectoral health indicators and enhances the understanding of them by sector stakeholders. The clusters also have the potential for forecasting important indicators such as the construction cost index and the construction production index.