Analysis of Economic Time-Series Data Using Rough Sets

Abstract

Rough set theory was proposed by Z.Pawlak in 1982. This theory can mine knowledge by decision rule from an objective set. The decision rule is used for data analysis well. And we can reason for an unknown object using the decision rule. In this paper, we apply the rough set theory to analysis of economic time series data. We can acquire knowledge from economic time series data and suggest a method to apply to predictions.