Journal
JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES C-APPLIED STATISTICS
Volume 70, Issue 5, Pages 1344-1364Publisher
OXFORD UNIV PRESS
DOI: 10.1111/rssc.12516
Keywords
transfer knowledge of parameters; regression modelling; Gaussian process; MCMC algorithm; kriging
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In this study, a transfer learning approach is used to improve the regression model of the hydrocracking process for a new catalyst by leveraging data from an old catalyst. The results show significant improvement when applying a Bayesian approach to transfer linear and kriging models.
The objective is to improve the learning of a regression model of the hydrocracking process using a reduced number of observations. When a new catalyst is used for the hydrocracking process, a new model must be fitted. Generating new data is expensive and therefore it is advantageous to limit the amount of new data generation. Our idea is to use a second data set of measurements made on a process using an old catalyst. This second data set is large enough to fit performing models for the old catalyst. In this work, we use the knowledge from this old catalyst to learn a model on the new catalyst. This task is a transfer learning task. We show that the results are greatly improved with a Bayesian approach to transfer linear model and kriging model.
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