Basic functions
build_model(),
hist.group_tna(),
hist.tna(),
plot.group_tna(),
plot.tna(),
plot_frequencies(),
plot_frequencies.group_tna(),
plot_mosaic(),
plot_mosaic.group_tna(),
plot_mosaic.tna_data(),
print.group_tna(),
print.summary.tna(),
print.tna(),
summary.group_tna(),
summary.tna(),
tna-package