,index,mots,occurence,moyenne,id_formation,source_field 0,0,certif,1,0.25,QPR_F2,keyword 1,1,pratiqu,1,0.25,QPR_F2,keyword 2,2,p,1,0.25,QPR_F2,keyword 3,3,agile,1,0.25,QPR_F2,keyword