| 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 | 
| rsubbinsNotail | Recursive subdivision PDF and CDF fitted to binned data | 
| rsubbinsTail | 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 | 
| stepbinsNotail | Step function PDF and CDF fitted to binned data | 
| stepbinsTail | Step function PDF and CDF fitted to binned data | 
| theil | Estimate the Theil index |