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cs.LG2020
Mitigating Class Boundary Label Uncertainty to Reduce Both Model Bias and Variance
Matthew Almeida, Wei Ding, Scott Crouter +1
The study of model bias and variance with respect to decision boundaries is critically important in supervised classification. There is generally a tradeoff between the two, as fin…
cs.LG2020
SummerTime: Variable-length Time SeriesSummarization with Applications to PhysicalActivity Analysis
Kevin M. Amaral, Zihan Li, Wei Ding +2
\textit{SummerTime} seeks to summarize globally time series signals and provides a fixed-length, robust summarization of the variable-length time series. Many classical machine lea…
cs.LG2017
Bag-of-Words Method Applied to Accelerometer Measurements for the Purpose of Classification and Energy Estimation
Kevin M. Amaral, Ping Chen, Scott Crouter +1
Accelerometer measurements are the prime type of sensor information most think of when seeking to measure physical activity. On the market, there are many fitness measuring devices…