A method for discriminating efficient candidates whit ranked voting data by common weight

Ranked voting data arise when voters select and rank more than one candidate with order of preference. In the recent papers we consider ranked voting data which is obtained when voters select and rank more than one candidate. Here, it is assumed that a voter selects candidates from a set of candidates and ranks them from top to place. A preferance score, , of the candidate should be calculated as a weighted sum of votes with certain weights, ,