@Adrian73 @mlauber71 @victor_palacios
In this workflow I tried to exploit the hierarchical structure of the file and the possibility of replacing the missing values of a row with the corresponding values of the upper one. I must admit that it is not very elegant, but it exemplifies a set of techniques that can be exploited in Knime
Results (columns can be reordered)
hierarchical_dataset.knwf (53.8 KB)