TSR            Trimmed Scores Regression with Missing Data
SVDImpute      Improved SVD Imputation
SVD            SVD Imputation
RPCA           Robust Principal Component Analysis with Missing Data
NIPALS         NIPALS Algorithm with RPCA and Clustering
MLPCA          Multilinear Principal Component Analysis with Missing Data
mean           Mean Imputation with Evaluation Metrics
KNN            KNN Imputation
IndexCPP       Calculate the Consistency Proportion Index (CPP)
EM             Expectation-Maximization Imputation with Evaluation Metrics
DTSR           Distributed Trimmed Scores Regression for Handling Missing Data
DRPCA          Distributed Robust Principal Component Analysis for Handling Missing Data
DEM            Distributed EM Imputation for Handling Missing Data