annotate                Annotates dates as censored, uncertain, or
                        approximate
battles                 Dates of battles in 2001
class                   A flexible date class for messy dates
contract                Contract lists of dates into messy dates
duration_class          A duration class for mdates
expand                  Expand messy dates to lists of dates
extract                 Extracting components from messy dates
from_messydate          Coercion from messy dates
logical_tests           Logical tests on messy dates
messydate               Coercion from regular date classes to mdate
mreport                 Data report for datasets with 'mdate' variables
operate                 Arithmetic operations for messydates
proportional            Proportion of messy dates meeting logical test
resolve                 Resolves messy dates into a single value
set                     Set operations for messy dates
