From sample average treatment effect to population average treatment effect on the treated: combining experimental with observational studies to estimate population treatment … E Hartman, R Grieve, R Ramsahai, JS Sekhon Journal of the Royal Statistical Society: Series A (Statistics in Society …, 2015 | 185 | 2015 |
The International Journal of Biostatistics R Radice, R Ramsahai, R Grieve, N Kreif, Z Sadique, JS Sekhon Biostatistics 8 (1), 25, 2012 | 57* | 2012 |
Methods for estimating subgroup effects in cost-effectiveness analyses that use observational data N Kreif, R Grieve, R Radice, Z Sadique, R Ramsahai, JS Sekhon Medical Decision Making 32 (6), 750-763, 2012 | 41 | 2012 |
Nonparametric bounds for the causal effect in a binary instrumental-variable model TM Palmer, RR Ramsahai, V Didelez, NA Sheehan Stata Journal 11 (3), 345, 2011 | 32 | 2011 |
Causal bounds and observable constraints for non-deterministic models RR Ramsahai The Journal of Machine Learning Research 13, 829-848, 2012 | 31 | 2012 |
Likelihood analysis of the binary instrumental variable model RR Ramsahai, SL Lauritzen Biometrika 98 (4), 987-994, 2011 | 27 | 2011 |
Extending iterative matching methods: an approach to improving covariate balance that allows prioritisation RR Ramsahai, R Grieve, JS Sekhon Health Services and Outcomes Research Methodology 11 (3-4), 95-114, 2011 | 23 | 2011 |
Re:“Credible Mendelian randomization studies: approaches for evaluating the instrumental variable assumptions” TM Palmer, RR Ramsahai, DA Lawlor, NA Sheehan, V Didelez American journal of epidemiology 176 (5), 457-458, 2012 | 11 | 2012 |
Probabilistic causality and detecting collections of interdependence patterns RR Ramsahai Journal of the Royal Statistical Society: Series B (Statistical Methodology), 2013 | 10 | 2013 |
Supplementary variables for causal estimation RR Ramsahai Causality: Statistical Perspectives and Applications (C. Berzuini, P. Dawid …, 2012 | 10 | 2012 |
Causal bounds and instruments RR Ramsahai Uncertainty in Artificial Intelligence 2007, 310-317, 2007 | 9* | 2007 |
Causal inference with instruments and other supplementary variables. RR Ramsahai University of Oxford, 2008 | 7 | 2008 |