3 papers
stat.ME2026
Stationary subspace analysis for spatial data
Perttu Saarela, Klaus Nordhausen, Jaakko Pere +1
Stationary subspace analysis (SSA) is a blind source separation framework that decomposes linearly mixed multivariate data into stationary and nonstationary components. We extend S…
math.ST2025
Moment Estimator-Based Extreme Quantile Estimation with Erroneous Observations: Application to Elliptical Extreme Quantile Region Estimation
Jaakko Pere, Pauliina Ilmonen, Lauri Viitasaari
In many application areas of extreme value theory, the variables of interest are not directly observable but instead contain errors. In this article, we quantify the effect of thes…
stat.AP2024
Zombie Epidemic -- on Modeling the Effect of Interventions
Kaisa Ek, Aleksi Avela, Willehard Haaki +7
The recent COVID-19 pandemic has highlighted the need of studying extreme, life-threatening phenomena in advance. In this article, a zombie epidemic in Uusimaa region in Finland is…