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) <- value
Arguments
- x
(chevron_tlg) input.
- value
(function) returning a pre-processed list of data.frames amenable to tlg creation. Typically
one of the _pre function of chevron.