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stat.ME2026
Detecting changes in the mean of spatial random fields on a regular grid
Sheila Görz, Roland Fried
We propose statistical procedures for detecting changes in the mean of spatial random fields observed on regular grids. The proposed framework provides a general approach to change…
stat.ME2025
Nonparametric directional variogram estimation in the presence of outlier blocks
Jana Gierse, Roland Fried
This paper proposes robust estimators of the variogram, a statistical tool that is commonly used in geostatistics to capture the spatial dependence structure of data. The new estim…