Vertaile menetelmiä
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| Paikallinen Moran's I (LISA)× | Hot Spot Analysis (Getis-Ord Gi*)× | |
|---|---|---|
| Tieteenala | Spatiaalianalyysi | Spatiaalianalyysi |
| Menetelmäperhe | Regression model | Regression model |
| Syntyvuosi≠ | 1995 | 1992 |
| Kehittäjä≠ | Luc Anselin | Arthur Getis and J. Keith Ord |
| Tyyppi≠ | Local spatial autocorrelation statistic | Local spatial statistic |
| Alkuperäislähde≠ | Anselin, L. (1995). Local indicators of spatial association—LISA. Geographical Analysis, 27(2), 93–115. DOI ↗ | Getis, A., & Ord, J. K. (1992). The analysis of spatial association by use of distance statistics. Geographical Analysis, 24(3), 189-206. DOI ↗ |
| Rinnakkaisnimet | Local Indicator of Spatial Association, LISA statistic, Anselin Local Moran, local spatial autocorrelation index | Getis-Ord Gi* statistic, spatial hot spot detection, cluster and outlier analysis, HSA |
| Liittyvät≠ | 6 | 5 |
| Tiivistelmä≠ | Local Moran's I, introduced by Luc Anselin in 1995, is a Local Indicator of Spatial Association (LISA) that decomposes global spatial autocorrelation into location-specific contributions. For every observation it produces a signed statistic and a significance value, enabling researchers to identify spatial clusters (high-high, low-low) and spatial outliers (high-low, low-high) on a map. | 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. |
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