CRAN version 0.23

Includes the asymptotic variance calculation based on the forthcoming paper; Fan, Jianqing, Kosuke Imai, Inbeom Lee, Han Liu, Yang Ning, and Xiaolin Yang. "Optimal Covariate Balancing Conditions in Propensity Score Estimation." Journal of Business & Economic Statistics.

CRAN version 0.14

Added hdCBPS and analytic covariance for versions. Changed behavior for over-identified continuous CBPS when weighting matrix is singular.

CRAN version 0.13

release

Up to date docs and auxiliary files.

CRAN version 0.11

Update README.md