methods, stats, MASS, mosaic, ggformula, magrittr, rlang
cubature, Deriv, dplyr, ggformula, ggplot2, glue, grDevices,
MASS, Matrix, metR (>= 0.11.0), orthopolynom, plotly, rlang,
Ryacas, sp, stats, tibble
testthat, knitr, palmerpenguins, rmarkdown, mosaicData