Laptop Demand Forecast : Use supply chain information, business sales behavior, and external information to perform feature engineering, construct sales forecasting models, predict future demand of various products, and provide inventory warning information. Employee Care System : Collect employee attendance records and access control records, construct a variety of anomaly detection systems.

Using R language to build algorithms to filter outlier data that may affect other variables due to time dependence, and find out event point. The accuracy of this algorithm is as high as 94%, which can increase the accuracy of data analysis for the company and save 28% of the time for manual judgment.