valid(object, ...)
"pls"
, "plsda"
,
"spls"
or "splsda"
.nearZeroVar
.L? Cao, K. A., Rossouw D., Robert-Grani?, C. and Besse, P. (2008). A sparse PLS for variable selection when integrating Omics data. Statistical Applications in Genetics and Molecular Biology 7, article 35.
Mevik, B.-H., Cederkvist, H. R. (2004). Mean Squared Error of Prediction (MSEP) Estimates for Principal Component Regression (PCR) and Partial Least Squares Regression (PLSR). Journal of Chemometrics 18(9), 422-429.
perf
, predict
and http://www.math.univ-toulouse.fr/~biostat/mixOmics/ for more details.