由于内河水上交通事故的统计数据母体数量小,样本信息不全,常常没有记录详细的事故地点、里程等信息,给直接采用传统方法造成很大困难。为了减少数据缺失和信息错误对黑点分析带来的负面影响,对黑点分析方法进行了改进,采用定性定量结合、图上作业和模糊综合评判相结合的方法来实现。 Due to the small number of in-water statistical data of inland waterway traffic accidents and incomplete sample information, detailed information such as accident location and mileage is often not recorded, which causes great difficulties for the direct adoption of traditional methods. In order to reduce the negative impact of data loss and information error on black point analysis, the black point analysis method is improved, which is realized by combining qualitative and quantitative methods, on-the-job and fuzzy comprehensive evaluation.