Hi, I have a .csv hat is organized in this way: code88;code13;sup_88_13 1;1;77.67576251 1;2;10.1 1;3;2.4 1;4;0.0 1;5;0.2 1;6;0.1 .............. I would create a simple Sankey diagram, how can I do it? I have little experience with R unfortunately ! thanks Giuseppe [[alternative HTML version deleted]]