Index weighting methods

In this paper, some methods of weighting weights are introduced through analyzing the relevant documents of the existing weighting methods. At the same time, the summaries and the suggestions and ideas are given for each document. Also the method of combining the subjective and objective weighting methods is recognized, and then the question of how to combine the subjective and objective is discussed. Finally the own index weighting scheme is proposed, also its shortcomings and the aspects that can improve are pointed out.