Variance estimation for stratified propensity score estimators
EJ Williamson, R Morley, A Lucas, JR Carpenter
Statistics in Medicine | WILEY | Published : 2012
Awarded by ESRC
Awarded by Economic and Social Research Council
This work was undertaken as part of Elizabeth Williamson's PhD, funded by GlaxoSmithKline. James Carpenter is funded by ESRC research fellowship RES-063-27-0257.