Builds a list consisting of one dataframe per row in
dataframe
which shows how the predictions for that row change as
each of the mofifiable variables are altered
build_process_variable_df_list(dataframe, grain_column_values,
modifiable_variable_levels, predict_function, smaller_better)
A dataframe consisting of deployment data.
The grain column (values, not just the name) of the deployment data.
A list indexed by the modifiable process variables and containing the factor levels of each such variable.
A function with which to make new predictions on the data.
A boolean indicating whether the goal is to increase or decrease the predictions/predicted probabilities.
A list of dataframes.