Version 4.1-4 (Mid-March 2013)

• Improve summary statistics for imputed data
• Separate Installer, Developer and Reference documentation
• Implement Rubin's rule for use with imputed data
• Add the "subset" parameter to the "summary" function for Zelig calls that use multiple imputation
• Adding additional parameters - main, sub, xlab, ylab, xlim, ylim -  to the "plot.ci" function. For more information, type help("plot.ci") from within an R-session
• Updated installation instructions within documentation

Version 4.2+ (Early Spring - Fall 2013)

• WebAPI supporting statistical analysis with DVN (see: http://thedata.org/)
• Interactive web GUI for creating statistical and simulating statistical models
• Improved options for standard error estimates for core models
• Zelig with privacy algorithms (differential privacy)
• Continuous integration with Jenkins
• Anonymous usage statistics