Calculate differences in bloc contributions
vb_difference.RdUse vbdf output to calculate differences in blocs' net Republican vote contributions.
Arguments
- vbdf
- data.frame holding the results of voting bloc analyses. 
- estimates
- character vector naming the column(s) in - vbdfwith which to compute differences.
- sort_col
- character vector naming the column(s) in - vbdfto use for sorting before calling diff.
- tolerance
- tolerance used when checking range of probability estimates