Tools to test for the presence of spatial pattern and describe it using directional univariate structure functions analysis.
Svidzinska, D. (2019). The Application of Directional Univariate Structure Functions Analysis for Studying the Spatial Anisotropy of Environmental Variables. Ekológia (Bratislava), 38(2), 140–153. https://doi.org/10.2478/eko-2019-0011
Svidzinska, D. (2019). Directional Univariate Structure Functions Analysis. Retrieved from Open Science Framework https://osf.io/3hfq6/