Provides pointwise and uniform estimation and inference methods for boundary discontinuity (BD) designs,
a causal inference design that generalizes univariate regression discontinuity (RD) designs to settings with bivariate scores.
Implements local polynomial methods for location-based and distance-based analyses, including sharp and fuzzy designs,
data-driven bandwidth selection, pointwise confidence intervals, and uniform confidence bands. Methodology is developed in
Cattaneo, Titiunik, and Yu (2026)