Getis-Ord's hot- and cold-spot statistics as a basis for multivariate spatial clustering of orchard tree data. - Aviva Peeters; Manuela Zude; Jana Käthner; Mustafa Ünlü; Riza Kanber; Amots Hetzroni; Robin Gebbers; Alon Ben-Gal (Comput. Electron. Agric., 2015)