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Dr Purvasha Chakravarti

PositionLecturer in Statistical Science
Phone (external)Ìý
Phone (internal)Ìý
Email(*)p.chakravarti
Personal webpage
ThemesComputational Statistics, General Theory and Methodology,ÌýEnvironmental Statistics,ÌýMultivariate and High Dimensional Data; Statistical Methods in High-Energy Particle Physics

* @ucl.ac.uk

Biographical DetailsÌý

ÌýPurvasha Chakravarti has been a Lecturer (Assistant Professor) in Statistical Science since June 2022 at ¹û¶³Ó°Ôº. Previously, she was a Chapman Fellow in Mathematics in the StatisticsÌýSection of theDepartmentÌýof Mathematics at Imperial College London. She received a Ph.D. in Statistics from theÌýDepartmentÌýof Statistics & Data ScienceÌýat Carnegie Mellon University,Ìýunder the supervision of ProfessorÌýLarry Wasserman. She completed her Bachelors and Masters in Statistics from the IndianÌýStatistical InstituteÌýKolkata.

Research Interests

Purvasha's research focuses on developing scalable and interpretable machine learning methods, with statistical significance guarantees, to analyze high-dimensional data. Specifically, her current research includes:

1. Inference for Clustering: developing and analyzing, both theoretically and empirically, high-dimensional clustering algorithms with significance guarantees.

2. Signal Detection in Particle Physics: developing tests that can detectÌýnewÌýsignals in particle physics data sets in model-independent and model-dependent settings.

3. Interpretability of High-dimensional Classifiers: developing active subspace search to model the surface of the classifier, identify directions with the most variability, and identify relationships between

features that influence the classifier.

Selected publications

Purvasha's full publication list can be found atÌý.

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