joshuaschwab/ltmle — pull request #7 by lendle (2013-12-28 23:12:50+00:00)
Title: Adding boundedlogistic(), Qbounds option to ltmle (for rare outcomes), and tests

Still need to implement alternate variance estimators, but this allows Qbar to be bounded, and can improve performance for rare outcomes.

The boundedlogistic function uses optim()'s LBFGS method for optimization, but that could be changed later if something works better.