selecting and renaming a data set which act in the same way as
dplyr. mutate / select / rename generally don't add anything in terms
of provenance of data so the default behaviour is to miss these out of the
dtrackr history. This can be overridden with the .messages, or
.headline values in which case they behave just like a comment()."><meta property="og:description" content="See dplyr::mutate(), dplyr::add_count(), dplyr::add_tally(),
dplyr::transmute(), dplyr::select(), dplyr::relocate(),
dplyr::rename() 