Before revision:  When tested on real economic and financial data  , our method achieves a remarkable accuracy and is very robust with respect to the nodes sampled , thus representing a reliable practical tool whenever the available topological information is restricted to a small subset of nodes.
After revision:  When tested on real economic and financial data , our method achieves a remarkable accuracy and is very robust with respect to the sampled subsets , thus representing a reliable practical tool whenever the available topological information is restricted to a small subset of nodes.