Roland R. Ramsahai

From Sample Average Treatment Effect to Population Average Treatment Effect on the Treated: Combining Experimental with Observational Studies to Estimate Population Treatment Effects

Erin Hartman, Richard Grieve, Roland R. Ramsahai et al. · Journal of the Royal Statistical Society Series A (Statistics in Society) · 2015 · 148 citations · Full text

Observational Studies, Health Economics, Health Policy +14

Evaluating treatment effectiveness in patient subgroups: a comparison of propensity score methods with an automated matching approach

Rosalba Radice, Roland R. Ramsahai, Richard Grieve et al. · The International Journal of Biostatistics · 2012 · 51 citations · Full text

Family Medicine, Treatment Effect, Prospective Cohort Study +21

Instrumental Variable Estimation with a Stochastic Monotonicity Assumption

Dylan S. Small, Zhiqiang Tan, Roland R. Ramsahai et al. · Statistical Science · 2017 · 42 citations

Treatment Effect, Quasi-experiment, Causal Inference +17

Methods for Estimating Subgroup Effects in Cost-Effectiveness Analyses That Use Observational Data

Noémi Kreif, Richard Grieve, Rosalba Radice et al. · Medical Decision Making · 2012 · 34 citations

Nonparametric Bounds for the Causal Effect in a Binary Instrumental-Variable Model

Tom Palmer, Roland R. Ramsahai, Vanessa Didelez et al. · The Stata Journal Promoting communications on statistics and Stata · 2011 · 24 citations · Full text

Treatment Effect, Causal Inference, Causal Effect +17