retrieve or set preprocess function.
Usage
preprocess(x)
# S4 method for chevron_tlg
preprocess(x)
preprocess(x) <- value
# S4 method for chevron_tlg
preprocess(x) <- valueretrieve or set preprocess function.
preprocess(x)
# S4 method for chevron_tlg
preprocess(x)
preprocess(x) <- value
# S4 method for chevron_tlg
preprocess(x) <- value