The invention discloses a credit
data analysis system and method based on
big data, and belongs to the field of
big data analysis and mining, and the
system comprises the following modules: a tag
lag adjustment module, a feature
drift detection module and a true and false drift adjustment module. According to the credit
data analysis system and method based on the
big data, accurate correspondence of the features and the tags in the time dimension is ensured, misjudgment caused by tag confirmation
delay is effectively reduced, the features which change rapidly can be captured in time, the stable features keep a long-term trend, the pertinence and accuracy of
feature extraction are improved, and the credit
data analysis efficiency is improved. False drift caused by real distribution change and
lag is effectively distinguished, the reliability of
drift detection is enhanced, finally,
weight adjustment is performed according to the characteristics of real drift, the response capability of the system to the latest data trend is improved, interference of old characteristics is reduced, dynamic self-adaption and
intelligent management of
credit analysis are realized, and the reliability of
credit analysis is improved. Therefore, the accuracy, the stability and the real-time performance of credit assessment are improved.