CFU_EOF and CFU_MODE

Hello, I think that the function CFU_EOF and CFO_MODE that have been written by Virginie, Fabian and Lauriane in the project CFU_tools (script CFU_Rfunc.txt) are very useful to compute the NAO index or other modes of climate variability. We could implement them in s2dverification. Who is interested? Any comments/recommendations?

People interested @cprodhomme @obellprat @vguemas @nevensf @dortega