search for: multivariatethe

Hi I am analysing a dataset of 40 samples each with 90,000 intensity measures for various peptides. I am trying to identify the Biomarkers (i.e. most significant peptides). I beleive that PLS with jack knifing, or alternativeley CMV(cross-model-validation) are multivariateThe 40 samples belong to four different groups. I have managed to conduct the plsr using the commands: BHPLS1 <- plsr(GroupingList ~ PCIList, ncomp = 10, data = PLSdata, validation = "LOO") and BHPLS1 <- plsr(GroupingList ~ PCIList, ncomp = 10, data = PLSdata, validation = &quo...