本文展示了Knn分析法在公路工程实例中针对项目涉及因素众多,各因素之间又彼此关联和影响的情况,通过Knn分析的思想将各因素之间孰轻孰重的情况及因素之间互相关联影响的程度对整个项目产生的影响进行层次化、数量化、模型化,最终通过建模计算为决策者提供科学合理的判定依据。 This paper shows the Knn analysis in highway engineering examples for many factors involved in the project, the relationship between each other and the impact of each other, through the Knn analysis of the various factors between what is more important situation and the factors between each other The impact of the impact of the relationship on the entire project level, quantification, modeling, and ultimately through modeling and calculation for decision makers to provide a scientific and rational basis for the decision.