API reference
Point Pattern
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Planar Point Pattern Class 2-D. |
Point Processes
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Point Process base class. |
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Poisson point process including \(N\)-conditioned CSR process and \(\lambda\)-conditioned CSR process. |
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Poisson cluster point process (Neyman Scott). |
Centrography
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Find minimum bounding rectangle of a point array. |
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Find convex hull of a point array. |
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Find mean center of a point array. |
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Find weighted mean center of a marked point pattern. |
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Find manhattan median of a point array. |
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Calculate standard distance of a point array. |
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Calculate the Euclidean median for a point pattern. |
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Calculate parameters of standard deviational ellipse for a point pattern. |
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WARNING: This function is deprecated in favor of minimum_bounding_circle |
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Sum of Euclidean distances between event points and a selected point. |
Density
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Plot kernel density of a given point pattern |
Quadrat Based Statistics
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Rectangle grid structure for quadrat-based method. |
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Hexagon grid structure for quadrat-based method. |
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Quadrat analysis of point pattern. |
Distance Based Statistics
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Ripley's F function |
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Ripley's G function |
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Ripley's K function |
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Ripely's J function |
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Ripley's L function |
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Ripley's F function |
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Ripley's G function |
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Ripley's K function |
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Ripley's J function |
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Ripley's L function |
Window functions
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Geometric container for point patterns. |
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Convert a libpysal polygon to a Window. |
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Random distributions
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Simulate a poisson random point process with a specified intensity. |
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Simulate a multivariate random normal point cluster |
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Simulate a cluster poisson random point process with a specified intensity & number of seeds. |
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Simulate a cluster poisson random point process with a specified intensity & number of seeds. |
Space-Time Interaction Tests
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Method for reformatting event data stored in a shapefile for use in calculating metrics of spatio-temporal interaction. |
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Global Knox statistic for space-time interactions |
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Local Knox statistics for space-time interactions |
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Standardized Mantel test for spatio-temporal interaction. |
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Jacquez k nearest neighbors test for spatio-temporal interaction. |
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Baker's modified Knox test for spatio-temporal interaction. |
Visualization
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Plot kernel density of a given point pattern |