Construction of risk control model of financial investment in minor enterprises based on decision tree algorithm

With the development of the national economy, minor enterprises have become an important part of the national economy, and their total output value is increasing year by year, making great contributions to the national economic development. However, affected by the rapid economic development, the market competition is becoming more and more fierce. In order to occupy a favorable position, minor enterprises should not only formulate correct development and management strategies, but also actively explore countermeasures to deal with financial investment risks. Decision tree method is one of the commonly used decision-making methods when enterprises encounter risk-based decisions, which can provide scientific technical decision-making basis for the risk management of minor enterprises to a great extent. Therefore, in order to effectively avoid all kinds of accidents that may occur in the process of enterprise development, based on the decision tree algorithm, this paper constructs a risk control model for financial investment of minor enterprises. In this paper, the steps of the algorithm are given, and numerical examples are given. Experiments show that the accuracy of the algorithm can reach 94.51%. The results show that the algorithm proposed in this paper is simple and effective. The algorithm in this paper can avoid all kinds of risks and economic crises that enterprises may encounter in investment.