new_model_butcher() will instantiate the following to help
us develop new axe functions around removing parts of a new
Add modeling package to
Generate and populate an axe file under
Generate and populate an test file under
new_model_butcher(model_class, package_name, open = interactive())
A string that captures the class name of the new model object.
A string that captures the package name from which the new model is made.
Check if user is in interactive mode, and if so, opens the new files for editing.