Αυθεντικό κείμενο - Αγγλικά - the results starts from minimum value then...

the results starts from minimum value then increasing to a certain point after that it drops down again because of the loss of the regularity between (r) and weight coefficients ,while in wJ , wX the result making the shape of wave or W showing a regularity in the variation of the pattern in the increasing and decreasing point.