import(gtools) 
export(convert.factors.to.strings.in.dataframe, 
       mydaoshu,
       rchild,
       rvPDT.test, 
       fullPedigree,
       mypaste,
       rhapPDT,
       rvPDT.test.sub,
       HapMendlianCheck,
       randomPDT,
       rvPDT.test.permu,
       whap.prehap 
      ) 