spectacle (1) achat (1) prix (1) poisson (1) élasticité (1) classification (1) Purchasing (1) Values (1) Sales (1) Purchasing (1) Markets (1) Fishes (1) Finance (1) Evidence (1) Elasticity (1) Cluster analysis (1) Classification (1) Average (1) Agglomeration (1) Elastic properties (1) Classification (1) Classification (1) Finance (1) Behavior (1) Number (1) Quantity (1)