Predict and Achieve the Development Scale of Xiangxi Tourism Industry
基于主成分回归和卡尔曼滤波方法，预测湘西旅游产业发展规模呈J型增长趋势，为政府制定发展规划和政策提供依据。
The development scale and prediction of Xiangxi tourism industry is the foundation of the development planning and policy of Xiangxi tourism industry in the future.This article based on principal component regression and Kalman filtering method and principle,through making analysis and prediction about the development scale of Xiangxi tourism industry,comes to a conclusion that the development prospect and trend of Xiangxi tourism industry is very considerable,whose overall scale presents growth trend that is likeJ.Therefore,The government must continue to remain the leading policy,intensify basic services in scenic spots and transportation infrastructure investment in scenic region,lower admittance threshold for folk capital,boldly innovate,encourage and introduce various forms of financing model,strengthen the publicity for the human landscape and natural landscape,and so on,promoting Xiangxi tourism industry in progress.