2 papers
stat.AP2026
Can statistical models capture Mamdani's success? Social choice, ranked-choice voting, and model fit, with an application to the 2025 New York City Democratic Primary
Michael Pearce, Erin R. Lipman, Christopher Adolph +1
Ranked-choice voting is increasingly prevalent in elections. An extensive literature in social choice theory -- the study of collective decision-making with the goal of making comp…
math.ST2026
Identifiability of Partial-Mastery Cognitive Diagnostic Models
Jun Wu, PatrÃcia Martinková, Elena Erosheva
Partial-mastery (PM) cognitive diagnostic models (CDMs) extend traditional CDMs by replacing binary latent attribute mastery indicators with continuous mastery scores for multiple…