Fig 3. Plot of the FkMedFD solution and of the pollens (red, violet and brown functionals).

Cyan, grey and green functionals identify patients assigned to Cluster 1 (medoid in blue), Cluster 2 (medoid in black) and Cluster 3 (medoid in dark green), respectively. Solid, dashed and dotted functionals denote membership degrees higher than 0.90, between 0.70 and 0.90 and between 0.50 and 0.70, respectively.