def frequent_lift(sequences, itens, vertical, independent, lift_min):
result = set()
for item in itens:
min_independent = min(independent[i] for i in vertical[item])
min_supp = lift_min * min_independent
if support(sequences, item) >= min_supp:
result.add(item)
return result
def frequent(sequences, itens, min_supp):
result = set()
for item in itens:
if support(sequences, item) >= min_supp:
result.add(item)
return result
