A forecasting method for Chinese civil planes attendance rate based on vague sets

This paper investigates the feasibility and efficiency of Vague sets to forecast the attendance rate in civil airplanes. Firstly, an overview of the methods of using fuzzy theory for forecasting is made and some problems are pointed out; the concepts of vague sets is then reviewed; and then an improved vague forecasting method is presented to overcome the shortcoming of the previous studies; finally, an comparison between different methods is raised to verify its effectiveness.