generate.ExpressionData
                        Generate expression data
generate.RollUpMap      Generate roll up map
impute.MAR              imputation under MAR/MCAR hypothesis
impute.MAR.MNAR         Imputation under MCAR and MNAR hypothesis
impute.MinDet           Imputation with min value
impute.MinProb          Imputation by random draws
impute.QRILC            imputation based on quantile regression
impute.ZERO             Imputation by 0.
impute.wrapper.KNN      Imputation with KNN
impute.wrapper.MLE      imputation using the EM algorithm
impute.wrapper.SVD      imputation based on SVD algorithm
insertMVs               Generates missing values in data.
intensity_PXD000022     Dataset PXD000022 from ProteomeXchange.
intensity_PXD000052     Dataset PXD000052 from ProteomeXchange.
intensity_PXD000438     Dataset PXD000438 from ProteomeXchange.
intensity_PXD000501     Dataset PXD000501 from ProteomeXchange.
model.Selector          Identifies row in the data matrix affected by a
                        MNAR missingness mechanism
pep2prot                peptide to protein roll-up
