证券投资具有高风险、高收益和模糊不确定性的特点.应用粗糙集理论以及模糊综合评价方法,建立了风险投资决策评价模型,并进行了实例分析.结果表明所建模型是可行且有效性的,对投资者有效地规避风险、提高投资决策能力具有现实指导意义.
Portfolio investment involves high returns, high risks and uncertainties. A decisive model is developed using rough set theory and fuzzy comprehensive evaluation method in this paper, and an example is illustrated to show that the model is feasible and effective. Thus it provides a useful guide to helping investors evade risks, and improve their decision-making abilities.