Version: 0.57: * Fixed covariate handling. Version: 0.56: * Fixed bug in plot.RD. Version: 0.55: * Added dependence on Formula. Version: 0.54: * Removed LICENSE to comport with CRAN policy. * Renamed VERSION to NEWS. Version: 0.53: * Fixed bug in the estimation of LATEs away from zero. Version: 0.52: * Fixed bug when cutpoint not equal to zero. * Fixed bug with sharp RD estimation. Version: 0.51: * Fixed a bug which resulted in crashes of the summary.RD and plot.RD functions. * Big changes in the handling of bandwidths. * Now accepts a vector of bandwidths as inputs. * Some outputs have been modified to reflect this change. Version: 0.50: * Added better error messages. Fixed bug in plot.RDD. Other minor code changes. Version: 0.42: * Submission issue. Version: 0.41: * Fixed submission issue. Version: 0.4: * Made compatible with CRAN. Version: 0.31: * Added plot.RD documentation. Version: 0.3: * Improved plot method, fixed some various bugs. Version: 0.22: * Fixed handling of missing values. Version: 0.21: * Fixed bug in RDestimate when frame=TRUE and no covariates. Version: 0.2: * Added separate function for kernel weights, S3 methods for plotting and summarizing RD objects. Version: 0.1: * First version. IKbandwidth, DCdensity and RDestimate created and working.