SA - Spatial Autocorrelation Morans I Gearys C Arthur J...

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© Arthur J. Lembo, Jr. Salisbury University Spatial Autocorrelation Moran’s I Geary’s C
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© Arthur J. Lembo, Jr. Salisbury University Spatial Autocorrelation First law of geography: “everything is related to everything else, but near things are more related than distant things” – Waldo Tobler Many geographers would say “I don’t understand spatial autocorrelation” Actually, they don’t understand the mechanics, they do understand the concept.
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© Arthur J. Lembo, Jr. Salisbury University Spatial Autocorrelation Spatial Autocorrelation – correlation of a variable with itself through space. If there is any systematic pattern in the spatial distribution of a variable, it is said to be spatially autocorrelated If nearby or neighboring areas are more alike, this is positive spatial autocorrelation Negative autocorrelation describes patterns in which neighboring areas are unlike Random patterns exhibit no spatial autocorrelation
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