Error by using Pearson Similarity algorithm.
Indicates 3 arguments, but there are 2 ('params' and 'rel.weight')
MATCH(knop:Compound{prep:'Control'})-[rel:HAS]->(params)
WITH knop, gds.alpha.similarity.asVector(params, rel.weight) AS cVector
MATCH(p1h:Compound)-[rel:HAS]-> (params) WHERE p1h <> knop
WITH knop, p1h, cVector, gds.alpha.similarity.asVector(params, rel.weight) AS p1hVector
RETURN knop.prep AS from, p1h.prep AS to, gds.alpha.similarity.asVector(cVector, p1hVector, {vectorType:'maps'}) AS similarity
ORDER BY similarity DESC