Year: 2016, 2016
Member of: Trent University Graduate Thesis Collection
Abstract: <p>In the context of Real-Time Bidding (RTB) the machine learning problems of</p><p>imbalanced classes and model selection are investigated. Synthetic Minority Oversampling Technique (SMOTE) is commonly used to combat imbalanced classes but a shortcoming is identified. Use of a distance threshold is identified as a solution and testing in a live RTB environment shows significant… more Full Text: SMOTE AND PERFORMANCE MEASURES FOR MACHINE LEARNING APPLIED TO REAL-TIME BIDDING A Thesis Submitted to the Committee of Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of Arts and Science …
Year: 2015, 2015
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Population aging has become a worldwide concern since the nineteenth century. The decrease in birth rate and the increase in life expectancy will make China's population age rapidly. If the growth rate of the number of workers is less than that of the number of retirees, in the long run, there will be fewer workers per retiree. This will apply great pressure to China's public… more Full Text: The Long-term Financial Sustainability of China’s Urban Basic Pension System A thesis submitted to the Committee on Graduate Studies in partial fulfillment of the requirements for the degree of Master of Science in the Faculty of Arts and Science TRENT …