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beijing
2005 Jul 29
0
PLS component selection for GPLS question
How to select the number of PLS components for GPLS for data sets
with few samples?
Concrete problem:
My data set: 9 samples of class A and 37 of class B with 254
descriptors.
In the paper: "Classification Using Generalized Partial Least
Squares", Beiying Ding, Robert Gentleman, Bioconductor
Project Working Papers, year 2004, paper 5
Section 2.6 Assessing Prediction:
Cite: "The optimal number of PLS components is selected by choosing
that value of K which minimizes LOOCV
error rate for the training set."
and in section 3.1.3 Colon data...