Audrey-Anne Vallée Research Thrust 3 - Methods of Artificial Intelligence and Data Processing
Member
Université Laval
Faculty of Science and Engineering
Department of Mathematics and Statistics
Assistant Professor, Faculty of Science and Engineering, Université Laval
Audrey-Anne Vallée has been an Assistant Professor in the Department of Mathematics and Statistics since July 2019. She obtained her Ph.D. in Statistics from the University of Neuchâtel, Switzerland, in May 2019 under the supervision of Professor Yves Tillé. Before her doctoral studies, she obtained her Bachelor’s degree in Mathematics in 2012 and her Master’s degree in Statistics in 2014 at the University of Montreal.
Audrey-Anne Vallée’s work focuses on sampling and non-response, for example: the methods used in surveys to choose samples. Some surveys, such as forest inventories, require sophisticated methods to meet operational constraints.
Audrey-Anne Vallée is also interested in the treatment of missing values in databases. She is working on the development of imputation methods that allow missing values to be replaced with artificial values. This helps to improve the quality of the results. In fact, one of her main interests involves the assessment of the quality of surveys. She studies the methods to calculate the variance or the precision of the produced results. This type of project is highly useful for large polling organizations that produce surveys affecting several spheres of society such as health, households, the economy and the environment.
Areas of Interest
- Sampling theory
- Estimation of precision in surveys
- Treatment of non-response
- Inference in the presence of non-response
- Complex and large populations
Research Thrust
- Methods of Artificial Intelligence and Data Processing
Research Group
- CRDM
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