Application of Von Mises Distribution in Insurance Premium in Shaanxi Province

The seasonal fluctuation of insurance premiums has significant impact on insurance industry growth.Based on the methods of Directional Data Statistics,this paper analyzes insurance premium in Shaanxi Province from 2005—2009.Distribution types are ascertained by using Von Mises distribution test,which is submitting to bimodal Von Mises distribution.Correspondingly,the result indicated that the insurance premium in Shaanxi Province has a character of seasonal fluctuation.