3 papers
stat.ML2025
Geometric Calibration and Neutral Zones for Uncertainty-Aware Multi-Class Classification
Soumojit Das, Nairanjana Dasgupta, Prashanta Dutta
Modern artificial intelligence systems make critical decisions yet often fail silently when uncertain -- even well-calibrated models provide no mechanism to identify \textit{which…
stat.ME2025
Multidimensional Poverty Mapping for Small Areas
Soumojit Das, Dilshanie Deepawansa, Partha Lahiri
Many countries measure poverty based only on income or consumption. However, there is a growing awareness of measuring poverty through multiple dimensions that captures a more reas…
stat.ME2025
Approximate hierarchical Bayes small area estimation using NEF-QVF and poststratification
Soumojit Das, Partha Lahiri
We propose an approximate hierarchical Bayes approach that uses the Natural Exponential Family with Quadratic Variance Function in combining information from multiple sources to im…