3 papers
math.ST2025
Anytime-Valid Tests for Sparse Anomalies
Muriel F. Pérez-Ortiz, Rui M. Castro, Ivo V. Stoepker
We consider the problem of testing sequentially for the presence of sparse anomalies among a large number of data streams. To this end, we design and analyze Anytime-Valid (AV) tes…
stat.ME2024
Inference with Sequential Monte-Carlo Computation of -values: Fast and Valid Approaches
Ivo V. Stoepker, Rui M. Castro
Hypothesis tests calibrated by (re)sampling methods (such as permutation, rank and bootstrap tests) are useful tools for statistical analysis, at the computational cost of requirin…
stat.ME2024
Efficient Sampling in Disease Surveillance through Subpopulations: Sampling Canaries in the Coal Mine
Ivo V. Stoepker
We consider outbreak detection settings of endemic diseases where the population under study consists of various subpopulations available for stratified surveillance. These subpopu…