Σύγκριση μεθόδων

	Ανάλυση Παγκόσμιων Θερμών Σημείων (Στατιστική G των Getis-Ord)	Ανάλυση Θερμών Σημείων (Getis-Ord Gi*)
Πεδίο	Χωρική Ανάλυση	Χωρική Ανάλυση
Οικογένεια	Regression model	Regression model
Έτος προέλευσης	1992	1992
Δημιουργός	Arthur Getis and J. Keith Ord	Arthur Getis and J. Keith Ord
Τύπος	Global spatial concentration test	Local spatial statistic
Θεμελιώδης πηγή	Getis, A., & Ord, J. K. (1992). The analysis of spatial association by use of distance statistics. Geographical Analysis, 24(3), 189-206.	Getis, A., & Ord, J. K. (1992). The analysis of spatial association by use of distance statistics. Geographical Analysis, 24(3), 189-206.
Εναλλακτικές ονομασίες	Global G statistic, Getis-Ord G, global spatial clustering test, global concentration statistic	Getis-Ord Gi* statistic, spatial hot spot detection, cluster and outlier analysis, HSA
Συναφείς	5	5
Σύνοψη	Global Hot Spot Analysis uses the Getis-Ord G statistic to determine whether high or low attribute values are spatially concentrated across an entire study area. It answers one question: is there overall clustering of high values (a hot spot tendency) or low values (a cold spot tendency) in the dataset as a whole, producing a single summary test for the full region.	Hot Spot Analysis uses the Getis-Ord Gi* local spatial statistic to identify geographic locations where high or low attribute values cluster together to a degree that is statistically significant. Each feature is evaluated in relation to its neighbours, producing a z-score that flags genuine spatial hot spots and cold spots against a background of random variation.