Volume 15, Number 2
Exploring the Aspect Ratios of World Currencies: Mining the Numismatics Catalog
Authors
Tharunya Katiki reddy, Urja Damodhar and Eugene Pinsky, Boston University, USA
Abstract
Data mining techniques are essential for uncovering patterns and trends in various domains. In this analysis, we examine the aspect ratios of world currencies over time, focusing on historical trends, clustering patterns, and mathematical implications. We identify evolving design standards and their significance by collecting and analyzing web-scraped data from multiple sources. Our discussion is structured into four main areas: (i) currency attributes and dataset structure, (ii) statistical trends in aspect ratios, (iii) clustering of currency designs, and (iv) applications of decomposition techniques. We first define aspect ratios and their functional roles, then analyze their evolution using polynomial regression, hierarchical clustering, and seasonal-trend decomposition. Finally, we summarize the impact of our findings on currency design and standardization efforts.
Keywords
Data Mining, Numismatics, Aspect Ratio