An Application Research of Bedford′s Law in Hydrological Data Quality Mining

In order to identify and improve the data quality problems,this paper adopts a data quality mining methods based on Benford's Law.This method detects the rationality of data through analyzing the distribution of the data to reach the goal of data quality control.Finally,we used precipitation data as a sample to verify the validity of this method.The results show that the method can effectively identify the abnormal data,improving the data quality,and has certain application prospect.