returns number of components depending on a user choice
getSelectedComponents(obj, ncomp =NULL)
Arguments
obj: an MDA model or result object (e.g. pca, pls, simca, etc)
ncomp: number of components to select, provided by user
Details
Depedning on a user choice it returns optimal number of component for the model (if use did not provide any value) or check the user choice for correctness and returns it back