Elevate your Data Envelopment Analysis (DEA) expertise by mastering the modeling of data irregularities and structural complexities. This comprehensive guide tackles imprecise, missing, and qualitative data challenges prevalent in quantitative modeling. Discover techniques for handling outliers, undesirable outputs, and performing robust statistical analysis. Essential for Indian researchers, academics, and professionals, this book equips you to visualize complex DEA results, accurately identify efficiency units, and enhance decision-making across diverse service sectors.