fn_registry/python/functions/datascience/pearson.md

name, kind, lang, domain, version, purity, signature, description, tags, uses_functions, uses_types, returns, returns_optional, error_type, imports, tested, tests, test_file_path, file_path

name	kind	lang	domain	version	purity	signature	description	tags	uses_functions	uses_types	returns	returns_optional	error_type	imports	tested	tests	test_file_path	file_path
pearson	function	py	datascience	1.0.0	pure	def pearson(xs: list, ys: list) -> float	Calcula el coeficiente de correlacion de Pearson entre dos listas de floats.	statistics correlation python				false		math	false			python/functions/datascience/datascience.py

Ejemplo

r = pearson([1, 2, 3], [2, 4, 6])
# r = 1.0

Notas

Usa solo math stdlib. No requiere numpy. Retorna 0.0 si las listas tienen longitud diferente, estan vacias, o la desviacion es cero.