## Object caret_pre_model is only included in package pre for backward compatibility
## By now, function pre can be optimized in the default way by using the method "pre"
## in caret's function train(). More information and instructions on tuning parameters
## of function pre() are provided in the vignette about tuning, which can be accessed
## from R by typing:
##
## vignette("Tuning", package = "pre")
##
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