import(R.utils, MASS)
importFrom(sgeostat, in.chull)

export(as.character.NPVI,
       extractW, extractXW,
       getHistory.NPVI,
       getLightFit,
       getObs, getObs.NPVI,
       getPsi, getPsi.NPVI,
       getPsiSd, getPsiSd.NPVI, 
       getSample,
       setConfLevel, setConfLevel.NPVI,
       tmle.npvi)

