Update README

README.md

@@ -141,6 +141,7 @@ The usage of this package will be explained, as well as the distribution of the
        "mmse" will use the error sum of all the CCAAs
        "pareto" will use the pareto front for filtering the parameters
    THRESHOLD: Depending on the method, this value exclude some parameters with more error
+   N: Number of elements inside each group per Pareto method iteration.
    
    # It creates a folder output with the following schema:
    - output/