| checkData | Compare old and new versions of VADIR to find repeats | 
| fixTypos | Fix typos in VADIR dataset | 
| getData | Data import function to accommodate multiple filetypes | 
| rankDat | Rank to pay grade data | 
| sampleVADIR | Draw stratified samples from VADIR database | 
| testStrata | Return correlations for demographics between population and sample | 
| VADIR_fake | Fake VADIR data |