The Research on the Early Warning System of Soybean Import Dependence Degree Based on Decision Tree

Abstract

The early warning, which is usually built on the base of forecast, is the premise of remove-warning. The paper presents a new warning way-decision tree warning which can warn all kinds of conditions directly. First, the paper sets up a soybean early warning index system by analyzing soybean market of china in nearly the recent ten years. Then, some regulations are extracted according to the warning sign index’s effects on the warning alert index in the way of decision tree. At last, the early warning system of the soybean import dependence degree is set up.