An overview of variable elimination in two stages. An overview of the variable elimination in two stages in L-PLS. Stage 1 eliminates variables in X, using the VIPXcriterion. After stage 1, we have reduced the number of columns (genes) in both Xand Z. In stage 2, we eliminate rows of Z, using the criterion VIPZin a similar fashion.
Mehmood et al. BMC Bioinformatics 2012 13:327 doi:10.1186/1471-2105-13-327