county_bins             ACS County Income Data, 2006-2010
county_true             ACS County Income Statistics, 2006-2010
gini                    Estimate the Gini coefficient
rsubbins                Recursive subdivision PDF and CDF fitted to
                        binned data
sb_percentiles          Estimate percentiles from splinebins
sb_sample               Random sample from splinebins distribution
simcounty               Simulate data to mimic 'county_bins' and
                        'county_true'
splinebins              Optimized spline PDF and CDF fitted to binned
                        data
stats_from_distribution
                        Estimate various statistics
stepbins                Step function PDF and CDF fitted to binned data
theil                   Estimate the Theil index
