Replace missing variables by min/mean/median/KNN/BPCA/PPCA/svdImpute.
ImputeVar(mSetObj, method)
Input the name of the created mSetObj (see InitDataObjects)
Select the option to replace missing variables, either replacement based on the minimum ("min), the mean ("mean"), or the median ("median") value of each feature columns, or several options to impute the missing values, using k-nearest neighbour ("KNN"), probabilistic PCA ("PPCA"), Bayesian PCA ("BPCA") method, or Singular Value Decomposition ("svdImpute")