exportPattern("^[[:alpha:]]+")
importFrom("ggplot2", "ggplot", "aes_string", "geom_line", "theme_bw", "ylim", "labs", "geom_vline", "geom_hline", "aes", "geom_text", "theme", "scale_y_continuous", "element_blank")
importFrom("desirability", "dOverall")
importFrom("patchwork", "plot_layout")
importFrom("graphics", "plot")
importFrom("stats", "aggregate", "predict")
