export(OrdinalLogisticBiplot,pordlogist,OrdinalLogBiplotEM,
plotOrdBipCoeffVariable,plotOrdinalVariable,CheckDataSet,PlotClusterVariable,
BiplotDensity,GetOrdinalBiplotObjectPenal,GetOrdinalBiplotObjectMIRT,EstimationRowsMIRT)
S3method(summary,pordlogist)
S3method(summary,ordinal.logistic.biplot)
S3method(plot,ordinal.logistic.biplot)
import(mirt,MASS,NominalLogisticBiplot)
