import(methods)
import(stats)
export( readcsvIts,
       writecsvIts,
       accrueIts,
       its,
       is.its,
       as.its,
       as.its.default,
       as.its.zoo,
       lagIts,
       lagdistIts,
       alignedIts,
       appendIts,
       daysecondIts,
       weekdayIts,
       rangeIts,
       newIts,
       extractIts,
       collapseIts,
       its.format,
       locf,
       priceIts,
       as.list.its,
       as.data.frame.its
       )

exportClasses("its")
exportMethods(
              Arith,
              "[",
              names,
              "names<-",
              dates,
              "dates<-",
              core,
              "core<-",
              plot,
              print,
              start, 
              end,
              summary,
              cumsum,
              diff,
              union,
              intersect,
              coerce
              )
