Summary of the penguins dataset
Uses three years of data on pegnuins on three islands
	Bill length, mm	Bill length, mm	Bill length, mm	Body mass, kg
Adelie	38.79	18.35	189.95	3.70
Chinstrap	48.83	18.42	195.82	3.73
Gentoo	47.50	14.98	217.19	5.08