6k citations
- Harvard UniversityUS42 papers
- Dana-Farber Cancer InstituteUS23 papers
- Harvard University PressUS21 papers
- Northeastern UniversityUS9 papers
- Brigham and Women's HospitalUS7 papers
- Center for Astrophysics Harvard & SmithsonianUS5 papers
- Massachusetts Institute of TechnologyUS4 papers
- University of Notre DameUS4 papers
- IIT@HarvardUS3 papers
- Northwestern UniversityUS3 papers
- Peking UniversityCN3 papers
- State Key Laboratory of Artificial Microstructure and Mesoscopic Physics3 papers
4 papers · 1 filter
Polytomous Explanatory Item Response Models for Item Discrimination: Assessing Negative-Framing Effects in Social-Emotional Learning Surveys
Joshua B. Gilbert, Lijin Zhang, Esther Ulitzsch +1
Modeling item parameters as a function of item characteristics has a long history but has generally focused on models for item location. Explanatory item response models for item d…
Efficient Discovery of Heterogeneous Quantile Treatment Effects in Randomized Experiments via Anomalous Pattern Detection
Edward McFowland, Sriram Somanchi, Daniel B. Neill
In the recent literature on estimating heterogeneous treatment effects, each proposed method makes its own set of restrictive assumptions about the intervention's effects and which…
Defining Predictive Probability Functions for Species Sampling Models
Jaeyong Lee, Fernando A. Quintana, Peter Müller +1
We review the class of species sampling models (SSM). In particular, we investigate the relation between the exchangeable partition probability function (EPPF) and the predictive p…
In Search of the Black Swan: Analysis of the Statistical Evidence of Electoral Fraud in Venezuela
Ricardo Hausmann, Roberto Rigobon
This study analyzes diverse hypotheses of electronic fraud in the Recall Referendum celebrated in Venezuela on August 15, 2004. We define fraud as the difference between the electo…