## which functions shall be accessible by the users?
export(tableDate,
       tableContinuous,
       tableNominal,
       disp,
       displayCI,
       displayCoxPH,
       displayCrossTabs,
       displayKbyC,
       eliminateNA,
       formatPval,
       getFonts,
       math,
       checkDateSuccession,
       NAtoCategory,
       transformVarNames,
       transformVarNames2,
       varNamesToChar,
       colToMat,
       correctVarNames,
       nominalTest,
       formatPercent,
       NAtoZero,
       attachPresAbs,
       attachYesNo,
       twoGroupComparisons,
       pairwise.fisher.test,
       addLineBreak
       )

## which functions from external packages do we need?
importFrom(stats, anova, chisq.test, complete.cases, fisher.test, kruskal.test, lm, median, pairwise.table, quantile, sd, t.test, wilcox.test)
importFrom(xtable, xtable)
