extractCaretTarget: Extracts the target variable from a set of arguments headed to the caret::train function.
Description
This function extracts the y variable from a set of arguments headed to a caret::train model.
Since there are 2 methods to call caret::train, this function also has 2 methods.
Usage
extractCaretTarget(...)
Arguments
...
a set of arguments, as in the caret::train function