Clarifying the Standard Deviational Ellipse

For a set of geographical units in the Cartesian coordinate system, the locus of the standard deviation of the x coordinates of the set forms a closed curve as the system is rotated about the origin. This curve, often referred to as “standard deviational ellipse” (SDE), is not in fact an ellipse. Th...

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Veröffentlicht in:	Geographical analysis 2002-04, Vol.34 (2), p.155-167
1. Verfasser:	Gong, Jianxin
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis Bgi / Prodig Curves, Elliptic Distribution Ellipse General methodology Geography Mathematical techniques and physical analogs Mathematics Space Spatial analysis Standard deviations Vehicles
Online-Zugang:	Volltext
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